2131321331032 has 32 divisors (see below), whose sum is σ = 4037706212400. Its totient is φ = 1054601201664.

The previous prime is 2131321331003. The next prime is 2131321331033. The reversal of 2131321331032 is 2301331231312.

It is a super-2 number, since 2×2131321331032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131321330988 and 2131321331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131321331033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12082444 + ... + 12257572.

Almost surely, 2^{2131321331032} is an apocalyptic number.

It is an amenable number.

2131321331032 is a deficient number, since it is larger than the sum of its proper divisors (1906384881368).

2131321331032 is a wasteful number, since it uses less digits than its factorization.

2131321331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190915 (or 190911 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2131321331032 its reverse (2301331231312), we get a palindrome (4432652562344).

The spelling of 2131321331032 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred thirty-one thousand, thirty-two".