32131032030991 has 2 divisors, whose sum is σ = 32131032030992. Its totient is φ = 32131032030990.

The previous prime is 32131032030971. The next prime is 32131032031061. The reversal of 32131032030991 is 19903023013123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32131032030991 - 2⁷ = 32131032030863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32131032030991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32131032030941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065516015495 + 16065516015496.

It is an arithmetic number, because the mean of its divisors is an integer number (16065516015496).

Almost surely, 2^{32131032030991} is an apocalyptic number.

32131032030991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131032030991 is an equidigital number, since it uses as much as digits as its factorization.

32131032030991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The spelling of 32131032030991 in words is "thirty-two trillion, one hundred thirty-one billion, thirty-two million, thirty thousand, nine hundred ninety-one".