102031382195 has 4 divisors (see below), whose sum is σ = 122437658640. Its totient is φ = 81625105752.

The previous prime is 102031382147. The next prime is 102031382227. The reversal of 102031382195 is 591283130201.

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 102031382195 - 2⁸ = 102031381939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10203138215 + ... + 10203138224.

It is an arithmetic number, because the mean of its divisors is an integer number (30609414660).

Almost surely, 2^102031382195 is an apocalyptic number.

102031382195 is a deficient number, since it is larger than the sum of its proper divisors (20406276445).

102031382195 is an equidigital number, since it uses as much as digits as its factorization.

102031382195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406276444.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 102031382195 in words is "one hundred two billion, thirty-one million, three hundred eighty-two thousand, one hundred ninety-five".