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30131233330 = 25111741596661
BaseRepresentation
bin11100000011111101…
…100010001000110010
32212202220020020122211
4130003331202020302
5443202043431310
621501520522334
72114452154212
oct340375421062
985686206584
1030131233330
1111862328630
125a0aa803aa
132ac2623063
14165ba4a242
15bb53ecc8a
hex703f62232

30131233330 has 128 divisors (see below), whose sum is σ = 65272677120. Its totient is φ = 9888768000.

The previous prime is 30131233291. The next prime is 30131233369. The reversal of 30131233330 is 3333213103.

It is an interprime number because it is at equal distance from previous prime (30131233291) and next prime (30131233369).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4520200 + ... + 4526860.

It is an arithmetic number, because the mean of its divisors is an integer number (509942790).

Almost surely, 230131233330 is an apocalyptic number.

30131233330 is an abundant number, since it is smaller than the sum of its proper divisors (35141443790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131233330 is a wasteful number, since it uses less digits than its factorization.

30131233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 30131233330 its reverse (3333213103), we get a palindrome (33464446433).

The spelling of 30131233330 in words is "thirty billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 41 55 59 82 85 110 118 170 187 205 295 374 410 451 590 649 697 902 935 1003 1298 1394 1870 2006 2255 2419 3245 3485 4510 4838 5015 6490 6661 6970 7667 10030 11033 12095 13322 15334 22066 24190 26609 33305 38335 41123 53218 55165 66610 73271 76670 82246 110330 113237 133045 146542 205615 226474 266090 273101 366355 392999 411230 452353 546202 566185 732710 785998 904706 1132370 1245607 1365505 1964995 2261765 2491214 2731010 3004111 3929990 4322989 4523530 4642717 6008222 6228035 6680983 8645978 9285434 12456070 13361966 15020555 16112959 21614945 23213585 30041110 32225918 33404915 43229890 46427170 51069887 66809830 73490813 80564795 102139774 146981626 161129590 177242549 255349435 273920303 354485098 367454065 510698870 547840606 734908130 886212745 1369601515 1772425490 2739203030 3013123333 6026246666 15065616665 30131233330