102103200031 has 4 divisors (see below), whose sum is σ = 116689371472. Its totient is φ = 87517028592.

The previous prime is 102103200007. The next prime is 102103200037. The reversal of 102103200031 is 130002301201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130002301201 = 19 ⋅6842226379.

It is not a de Polignac number, because 102103200031 - 2³¹ = 99955716383 is a prime.

It is a super-2 number, since 2×102103200031² (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 = 102103199984 and 102103200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103200037) 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, 7293085710 + ... + 7293085723.

It is an arithmetic number, because the mean of its divisors is an integer number (29172342868).

Almost surely, 2^102103200031 is an apocalyptic number.

102103200031 is a deficient number, since it is larger than the sum of its proper divisors (14586171441).

102103200031 is an equidigital number, since it uses as much as digits as its factorization.

102103200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586171440.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102103200031 its reverse (130002301201), we get a palindrome (232105501232).

The spelling of 102103200031 in words is "one hundred two billion, one hundred three million, two hundred thousand, thirty-one".