231210130320102 has 16 divisors (see below), whose sum is σ = 473698803583152. Its totient is φ = 75190286282880.

The previous prime is 231210130320053. The next prime is 231210130320133. The reversal of 231210130320102 is 201023031012132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469939289023 + ... + 469939289514.

It is an arithmetic number, because the mean of its divisors is an integer number (29606175223947).

Almost surely, 2^{231210130320102} is an apocalyptic number.

231210130320102 is an abundant number, since it is smaller than the sum of its proper divisors (242488673263050).

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

231210130320102 is a wasteful number, since it uses less digits than its factorization.

231210130320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939878578583.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231210130320102 its reverse (201023031012132), we get a palindrome (432233161332234).

The spelling of 231210130320102 in words is "two hundred thirty-one trillion, two hundred ten billion, one hundred thirty million, three hundred twenty thousand, one hundred two".