231312121213132 has 12 divisors (see below), whose sum is σ = 405188076807976. Its totient is φ = 115544099268000.

The previous prime is 231312121213127. The next prime is 231312121213169.

231312121213132 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 231312121213132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27990329994 + ... + 27990338257.

Almost surely, 2^{231312121213132} is an apocalyptic number.

It is an amenable number.

231312121213132 is a deficient number, since it is larger than the sum of its proper divisors (173875955594844).

231312121213132 is a wasteful number, since it uses less digits than its factorization.

231312121213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55980669288 (or 55980669286 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The spelling of 231312121213132 in words is "two hundred thirty-one trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-two".