Search a number
-
+
31130132321310 = 23511234101466709
BaseRepresentation
bin1110001010000000011000…
…11110101001010000011110
311002020000022110001001022020
413011000030132221100132
513040014002333240220
6150112552501001010
76362035461542061
oct705001436512036
9132200273031266
1031130132321310
119a12240153030
1235a928a3b3166
13144a735b2b839
147989c66a48d8
1538eb75ce0040
hex1c500c7a941e

31130132321310 has 64 divisors (see below), whose sum is σ = 85048013698560. Its totient is φ = 7218581406080.

The previous prime is 31130132321303. The next prime is 31130132321341. The reversal of 31130132321310 is 1312323103113.

It is a super-2 number, since 2×311301323213102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050725765 + ... + 2050740944.

It is an arithmetic number, because the mean of its divisors is an integer number (1328875214040).

Almost surely, 231130132321310 is an apocalyptic number.

31130132321310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31130132321310 is an abundant number, since it is smaller than the sum of its proper divisors (53917881377250).

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

31130132321310 is a wasteful number, since it uses less digits than its factorization.

31130132321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101466753.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31130132321310 its reverse (1312323103113), we get a palindrome (32442455424423).

The spelling of 31130132321310 in words is "thirty-one trillion, one hundred thirty billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 138 165 230 253 330 345 506 690 759 1265 1518 2530 3795 7590 4101466709 8202933418 12304400127 20507333545 24608800254 41014667090 45116133799 61522000635 90232267598 94333734307 123044001270 135348401397 188667468614 225580668995 270696802794 283001202921 451161337990 471668671535 566002405842 676742006985 943337343070 1037671077377 1353484013970 1415006014605 2075342154754 2830012029210 3113013232131 5188355386885 6226026464262 10376710773770 15565066160655 31130132321310