3630913131 has 4 divisors (see below), whose sum is σ = 4841217512. Its totient is φ = 2420608752.

The previous prime is 3630913127. The next prime is 3630913157. The reversal of 3630913131 is 1313190363.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3630913131 - 2² = 3630913127 is a prime.

It is a super-2 number, since 2×3630913131² = 26367060329736446322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630913171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605152186 + ... + 605152191.

It is an arithmetic number, because the mean of its divisors is an integer number (1210304378).

Almost surely, 2^3630913131 is an apocalyptic number.

3630913131 is a deficient number, since it is larger than the sum of its proper divisors (1210304381).

3630913131 is a wasteful number, since it uses less digits than its factorization.

3630913131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210304380.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 3630913131 is about 60257.0587649281. The cubic root of 3630913131 is about 1536.9932240036.

The spelling of 3630913131 in words is "three billion, six hundred thirty million, nine hundred thirteen thousand, one hundred thirty-one".