102131213030 has 48 divisors (see below), whose sum is σ = 233291198736. Its totient is φ = 31833103680.

The previous prime is 102131213003. The next prime is 102131213081. The reversal of 102131213030 is 30312131201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9468749 + ... + 9479528.

It is an arithmetic number, because the mean of its divisors is an integer number (4860233307).

Almost surely, 2^102131213030 is an apocalyptic number.

102131213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131213030 is an abundant number, since it is smaller than the sum of its proper divisors (131159985706).

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

102131213030 is a wasteful number, since it uses less digits than its factorization.

102131213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948309 (or 18948302 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102131213030 its reverse (30312131201), we get a palindrome (132443344231).

The spelling of 102131213030 in words is "one hundred two billion, one hundred thirty-one million, two hundred thirteen thousand, thirty".