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30232020313 = 1171145326641
BaseRepresentation
bin11100001001111110…
…000000010101011001
32220000220212202102001
4130021332000111121
5443403344122223
621515521041001
72120114634625
oct341176002531
986026782361
1030232020313
1111904207360
125a38786161
132b0a480b21
14166b1a4185
15bbe1aa9ad
hex709f80559

30232020313 has 16 divisors (see below), whose sum is σ = 33469172352. Its totient is φ = 27076896000.

The previous prime is 30232020307. The next prime is 30232020317. The reversal of 30232020313 is 31302023203.

It is a happy number.

It is not a de Polignac number, because 30232020313 - 29 = 30232019801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30232020317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121473 + ... + 1148113.

It is an arithmetic number, because the mean of its divisors is an integer number (2091823272).

Almost surely, 230232020313 is an apocalyptic number.

It is an amenable number.

30232020313 is a deficient number, since it is larger than the sum of its proper divisors (3237152039).

30232020313 is a wasteful number, since it uses less digits than its factorization.

30232020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28176.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30232020313 its reverse (31302023203), we get a palindrome (61534043516).

The spelling of 30232020313 in words is "thirty billion, two hundred thirty-two million, twenty thousand, three hundred thirteen".

Divisors: 1 11 71 781 1453 15983 26641 103163 293051 1134793 1891511 20806621 38709373 425803103 2748365483 30232020313