307113631 has 8 divisors (see below), whose sum is σ = 335179728. Its totient is φ = 279072000.

The previous prime is 307113623. The next prime is 307113637. The reversal of 307113631 is 136311703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307113631 - 2³ = 307113623 is a prime.

It is a super-2 number, since 2×307113631² = 188637564692008322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 307113596 and 307113605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307113637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28861 + ... + 38041.

It is an arithmetic number, because the mean of its divisors is an integer number (41897466).

Almost surely, 2^307113631 is an apocalyptic number.

307113631 is a deficient number, since it is larger than the sum of its proper divisors (28066097).

307113631 is a wasteful number, since it uses less digits than its factorization.

307113631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12233.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 307113631 is about 17524.6577997974. The cubic root of 307113631 is about 674.6828915610.

The spelling of 307113631 in words is "three hundred seven million, one hundred thirteen thousand, six hundred thirty-one".