231311013230 has 128 divisors (see below), whose sum is σ = 493242753024. Its totient is φ = 77142937600.

The previous prime is 231311013229. The next prime is 231311013239. The reversal of 231311013230 is 32310113132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311013239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104806787 + ... + 104808993.

It is an arithmetic number, because the mean of its divisors is an integer number (3853459008).

Almost surely, 2^231311013230 is an apocalyptic number.

231311013230 is an abundant number, since it is smaller than the sum of its proper divisors (261931739794).

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

231311013230 is a wasteful number, since it uses less digits than its factorization.

231311013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231311013230 its reverse (32310113132), we get a palindrome (263621126362).

The spelling of 231311013230 in words is "two hundred thirty-one billion, three hundred eleven million, thirteen thousand, two hundred thirty".