231132301012 has 48 divisors (see below), whose sum is σ = 432786816000. Its totient is φ = 107684416224.

The previous prime is 231132300989. The next prime is 231132301027. The reversal of 231132301012 is 210103231132.

It is a super-2 number, since 2×231132301012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3321189 + ... + 3390067.

It is an arithmetic number, because the mean of its divisors is an integer number (9016392000).

Almost surely, 2^231132301012 is an apocalyptic number.

It is an amenable number.

231132301012 is a deficient number, since it is larger than the sum of its proper divisors (201654514988).

231132301012 is a wasteful number, since it uses less digits than its factorization.

231132301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69628 (or 69626 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231132301012 its reverse (210103231132), we get a palindrome (441235532144).

The spelling of 231132301012 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred one thousand, twelve".