102031199113 has 4 divisors (see below), whose sum is σ = 102045304900. Its totient is φ = 102017093328.

The previous prime is 102031199099. The next prime is 102031199117. The reversal of 102031199113 is 311991130201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49006005129 + 53025193984 = 221373^2 + 230272^2 .

It is a cyclic number.

It is not a de Polignac number, because 102031199113 - 2⁹ = 102031198601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102031199117) 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, 7042038 + ... + 7056511.

It is an arithmetic number, because the mean of its divisors is an integer number (25511326225).

Almost surely, 2^102031199113 is an apocalyptic number.

It is an amenable number.

102031199113 is a deficient number, since it is larger than the sum of its proper divisors (14105787).

102031199113 is an equidigital number, since it uses as much as digits as its factorization.

102031199113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105786.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 102031199113 in words is "one hundred two billion, thirty-one million, one hundred ninety-nine thousand, one hundred thirteen".