231232132212130 has 96 divisors (see below), whose sum is σ = 486318620837952. Its totient is φ = 78928340400000.

The previous prime is 231232132212121. The next prime is 231232132212143. The reversal of 231232132212130 is 31212231232132.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274708405 + ... + 275548855.

It is an arithmetic number, because the mean of its divisors is an integer number (5065818967062).

Almost surely, 2^{231232132212130} is an apocalyptic number.

231232132212130 is an abundant number, since it is smaller than the sum of its proper divisors (255086488625822).

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

231232132212130 is a wasteful number, since it uses less digits than its factorization.

231232132212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842960 (or 842953 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231232132212130 its reverse (31212231232132), we get a palindrome (262444363444262).

The spelling of 231232132212130 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred twelve thousand, one hundred thirty".