32121310131 has 16 divisors (see below), whose sum is σ = 48239007520. Its totient is φ = 21120860160.

The previous prime is 32121310121. The next prime is 32121310139. The reversal of 32121310131 is 13101312123.

32121310131 is a `hidden beast` number, since 321 + 2 + 1 + 310 + 1 + 31 = 666.

It is not a de Polignac number, because 32121310131 - 2⁷ = 32121310003 is a prime.

It is a super-2 number, since 2×32121310131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121310139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8146510 + ... + 8150451.

It is an arithmetic number, because the mean of its divisors is an integer number (3014937970).

Almost surely, 2^32121310131 is an apocalyptic number.

32121310131 is a deficient number, since it is larger than the sum of its proper divisors (16117697389).

32121310131 is a wasteful number, since it uses less digits than its factorization.

32121310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297043 (or 16297037 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 32121310131 its reverse (13101312123), we get a palindrome (45222622254).

The spelling of 32121310131 in words is "thirty-two billion, one hundred twenty-one million, three hundred ten thousand, one hundred thirty-one".