3157322432 has 28 divisors (see below), whose sum is σ = 6834887016. Its totient is φ = 1435146240.

The previous prime is 3157322417. The next prime is 3157322461. The reversal of 3157322432 is 2342237513.

It is a happy number.

It is a super-2 number, since 2×3157322432² = 19937369879220789248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241713 + ... + 2243120.

Almost surely, 2^3157322432 is an apocalyptic number.

3157322432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3157322432 is an abundant number, since it is smaller than the sum of its proper divisors (3677564584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157322432 is a wasteful number, since it uses less digits than its factorization.

3157322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484856 (or 4484846 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 3157322432 is about 56190.0563445170. The cubic root of 3157322432 is about 1467.0321957624.

Adding to 3157322432 its reverse (2342237513), we get a palindrome (5499559945).

The spelling of 3157322432 in words is "three billion, one hundred fifty-seven million, three hundred twenty-two thousand, four hundred thirty-two".