231211404112132 has 12 divisors (see below), whose sum is σ = 404620079563840. Its totient is φ = 115605667093896.

The previous prime is 231211404112127. The next prime is 231211404112153.

231211404112132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231211404112132² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231211404112132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11187433 + ... + 24240079.

Almost surely, 2^{231211404112132} is an apocalyptic number.

It is an amenable number.

231211404112132 is a deficient number, since it is larger than the sum of its proper divisors (173408675451708).

231211404112132 is a wasteful number, since it uses less digits than its factorization.

231211404112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481090 (or 17481088 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

It can be divided in two parts, 23121140 and 4112132, that added together give a palindrome (27233272).

The spelling of 231211404112132 in words is "two hundred thirty-one trillion, two hundred eleven billion, four hundred four million, one hundred twelve thousand, one hundred thirty-two".