102123232031 has 32 divisors (see below), whose sum is σ = 114970752000. Its totient is φ = 90142087680.

The previous prime is 102123232027. The next prime is 102123232039. The reversal of 102123232031 is 130232321201.

It is a cyclic number.

It is not a de Polignac number, because 102123232031 - 2² = 102123232027 is a prime.

It is a super-2 number, since 2×102123232031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102123231994 and 102123232012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123232039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14964086 + ... + 14970908.

It is an arithmetic number, because the mean of its divisors is an integer number (3592836000).

Almost surely, 2^102123232031 is an apocalyptic number.

102123232031 is a deficient number, since it is larger than the sum of its proper divisors (12847519969).

102123232031 is a wasteful number, since it uses less digits than its factorization.

102123232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102123232031 its reverse (130232321201), we get a palindrome (232355553232).

The spelling of 102123232031 in words is "one hundred two billion, one hundred twenty-three million, two hundred thirty-two thousand, thirty-one".