231013013311 has 16 divisors (see below), whose sum is σ = 258312063744. Its totient is φ = 205465093504.

The previous prime is 231013013303. The next prime is 231013013347. The reversal of 231013013311 is 113310310132.

It is a cyclic number.

It is not a de Polignac number, because 231013013311 - 2³ = 231013013303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231013013351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526741 + ... + 3591646.

It is an arithmetic number, because the mean of its divisors is an integer number (16144503984).

Almost surely, 2^231013013311 is an apocalyptic number.

231013013311 is a deficient number, since it is larger than the sum of its proper divisors (27299050433).

231013013311 is a wasteful number, since it uses less digits than its factorization.

231013013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118510.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231013013311 its reverse (113310310132), we get a palindrome (344323323443).

The spelling of 231013013311 in words is "two hundred thirty-one billion, thirteen million, thirteen thousand, three hundred eleven".