231132120201130 has 16 divisors (see below), whose sum is σ = 427282081669800. Its totient is φ = 89954122456512.

The previous prime is 231132120200987. The next prime is 231132120201161. The reversal of 231132120201130 is 31102021231132.

It can be written as a sum of positive squares in 4 ways, for example, as 172337898829009 + 58794221372121 = 13127753^2 + 7667739^2 .

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, 312340702605 + ... + 312340703344.

Almost surely, 2^{231132120201130} is an apocalyptic number.

231132120201130 is a deficient number, since it is larger than the sum of its proper divisors (196149961468670).

231132120201130 is a wasteful number, since it uses less digits than its factorization.

231132120201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624681405993.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231132120201130 its reverse (31102021231132), we get a palindrome (262234141432262).

The spelling of 231132120201130 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, one hundred twenty million, two hundred one thousand, one hundred thirty".