102320111031 has 8 divisors (see below), whose sum is σ = 136486844400. Its totient is φ = 68183392512.

The previous prime is 102320111011. The next prime is 102320111099. The reversal of 102320111031 is 130111023201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102320111031 - 2⁵ = 102320110999 is a prime.

It is a super-2 number, since 2×102320111031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102320111031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320111011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7495756 + ... + 7509393.

It is an arithmetic number, because the mean of its divisors is an integer number (17060855550).

Almost surely, 2^102320111031 is an apocalyptic number.

102320111031 is a deficient number, since it is larger than the sum of its proper divisors (34166733369).

102320111031 is a wasteful number, since it uses less digits than its factorization.

102320111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15007425.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102320111031 its reverse (130111023201), we get a palindrome (232431134232).

The spelling of 102320111031 in words is "one hundred two billion, three hundred twenty million, one hundred eleven thousand, thirty-one".