102313023031 has 4 divisors (see below), whose sum is σ = 107697919000. Its totient is φ = 96928127064.

The previous prime is 102313023013. The next prime is 102313023103. The reversal of 102313023031 is 130320313201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102313023031 - 2¹⁷ = 102312891959 is a prime.

It is a super-2 number, since 2×102313023031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5384895949 = 102313023031 / (1 + 0 + 2 + 3 + 1 + 3 + 0 + 2 + 3 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313023011) 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, 2692447956 + ... + 2692447993.

It is an arithmetic number, because the mean of its divisors is an integer number (26924479750).

Almost surely, 2^102313023031 is an apocalyptic number.

102313023031 is a deficient number, since it is larger than the sum of its proper divisors (5384895969).

102313023031 is an equidigital number, since it uses as much as digits as its factorization.

102313023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384895968.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102313023031 its reverse (130320313201), we get a palindrome (232633336232).

The spelling of 102313023031 in words is "one hundred two billion, three hundred thirteen million, twenty-three thousand, thirty-one".