102131320002 has 64 divisors (see below), whose sum is σ = 231781181184. Its totient is φ = 29819750400.

The previous prime is 102131319911. The next prime is 102131320043. The reversal of 102131320002 is 200023131201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501499 + ... + 675102.

It is an arithmetic number, because the mean of its divisors is an integer number (3621580956).

Almost surely, 2^102131320002 is an apocalyptic number.

102131320002 is an abundant number, since it is smaller than the sum of its proper divisors (129649861182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102131320002 is a wasteful number, since it uses less digits than its factorization.

102131320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176683.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102131320002 its reverse (200023131201), we get a palindrome (302154451203).

The spelling of 102131320002 in words is "one hundred two billion, one hundred thirty-one million, three hundred twenty thousand, two".