331232131201023 has 20 divisors (see below), whose sum is σ = 532865365865448. Its totient is φ = 203835157661520.

The previous prime is 331232131201019. The next prime is 331232131201031. The reversal of 331232131201023 is 320102131232133.

331232131201023 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 321 + 312 + 0 + 1 + 0 + 23 = 666.

It is not a de Polignac number, because 331232131201023 - 2² = 331232131201019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331232131201033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157280213193 + ... + 157280215298.

Almost surely, 2^{331232131201023} is an apocalyptic number.

331232131201023 is a deficient number, since it is larger than the sum of its proper divisors (201633234664425).

331232131201023 is a wasteful number, since it uses less digits than its factorization.

331232131201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314560428516 (or 314560428507 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 331232131201023 its reverse (320102131232133), we get a palindrome (651334262433156).

The spelling of 331232131201023 in words is "three hundred thirty-one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred one thousand, twenty-three".