32312751391 has 2 divisors, whose sum is σ = 32312751392. Its totient is φ = 32312751390.

The previous prime is 32312751349. The next prime is 32312751407. The reversal of 32312751391 is 19315721323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32312751391 - 2²⁵ = 32279196959 is a prime.

It is a super-2 number, since 2×32312751391² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32312751391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32312758391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156375695 + 16156375696.

It is an arithmetic number, because the mean of its divisors is an integer number (16156375696).

Almost surely, 2^32312751391 is an apocalyptic number.

32312751391 is a deficient number, since it is larger than the sum of its proper divisors (1).

32312751391 is an equidigital number, since it uses as much as digits as its factorization.

32312751391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The spelling of 32312751391 in words is "thirty-two billion, three hundred twelve million, seven hundred fifty-one thousand, three hundred ninety-one".