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102031130231113 = 482803211330771
BaseRepresentation
bin10111001100101111111001…
…010001100000000101001001
3111101021002011220011222020111
4113030233321101200011021
5101333134223314343423
61001000242032354321
730330335344222516
oct2714577121400511
9441232156158214
10102031130231113
112a568183084396
12b53a3970a59a1
1344c1656c792c5
141b2a493c7830d
15bbe0e572e60d
hex5ccbf9460149

102031130231113 has 4 divisors (see below), whose sum is σ = 102031342044688. Its totient is φ = 102030918417540.

The previous prime is 102031130231101. The next prime is 102031130231137. The reversal of 102031130231113 is 311132031130201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102031130231113 - 225 = 102031096676681 is a prime.

It is a super-2 number, since 2×1020311302311132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102031130231183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105182583 + ... + 106148188.

It is an arithmetic number, because the mean of its divisors is an integer number (25507835511172).

Almost surely, 2102031130231113 is an apocalyptic number.

It is an amenable number.

102031130231113 is a deficient number, since it is larger than the sum of its proper divisors (211813575).

102031130231113 is an equidigital number, since it uses as much as digits as its factorization.

102031130231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211813574.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 102031130231113 its reverse (311132031130201), we get a palindrome (413163161361314).

The spelling of 102031130231113 in words is "one hundred two trillion, thirty-one billion, one hundred thirty million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 482803 211330771 102031130231113