2131202001231 has 64 divisors (see below), whose sum is σ = 3216606720000. Its totient is φ = 1394301465216.

The previous prime is 2131202001223. The next prime is 2131202001259. The reversal of 2131202001231 is 1321002021312.

2131202001231 is a `hidden beast` number, since 213 + 1 + 20 + 200 + 1 + 231 = 666.

It is not a de Polignac number, because 2131202001231 - 2³ = 2131202001223 is a prime.

It is a super-2 number, since 2×2131202001231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131202001031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 614354565 + ... + 614358033.

It is an arithmetic number, because the mean of its divisors is an integer number (50259480000).

Almost surely, 2^{2131202001231} is an apocalyptic number.

2131202001231 is a deficient number, since it is larger than the sum of its proper divisors (1085404718769).

2131202001231 is a wasteful number, since it uses less digits than its factorization.

2131202001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2131202001231 its reverse (1321002021312), we get a palindrome (3452204022543).

The spelling of 2131202001231 in words is "two trillion, one hundred thirty-one billion, two hundred two million, one thousand, two hundred thirty-one".