3231901957 has 12 divisors (see below), whose sum is σ = 3494164716. Its totient is φ = 2987110080.

The previous prime is 3231901921. The next prime is 3231902021. The reversal of 3231901957 is 7591091323.

It can be written as a sum of positive squares in 2 ways, for example, as 469979041 + 2761922916 = 21679^2 + 52554^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3231901957 is a prime.

It is a super-3 number, since 3×3231901957³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231901357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94378 + ... + 123979.

It is an arithmetic number, because the mean of its divisors is an integer number (291180393).

Almost surely, 2^3231901957 is an apocalyptic number.

It is an amenable number.

3231901957 is a deficient number, since it is larger than the sum of its proper divisors (262262759).

3231901957 is a wasteful number, since it uses less digits than its factorization.

3231901957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218436 (or 218417 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 3231901957 is about 56849.8193224921. The cubic root of 3231901957 is about 1478.4934079652.

The spelling of 3231901957 in words is "three billion, two hundred thirty-one million, nine hundred one thousand, nine hundred fifty-seven".