50313631 has 4 divisors (see below), whose sum is σ = 50327992. Its totient is φ = 50299272.

The previous prime is 50313617. The next prime is 50313643. The reversal of 50313631 is 13631305.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50313631 - 2⁷ = 50313503 is a prime.

It is a super-2 number, since 2×50313631² = 5062922928808322, which contains 22 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 (50313611) 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, 1921 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (12581998).

Almost surely, 2^50313631 is an apocalyptic number.

50313631 is a deficient number, since it is larger than the sum of its proper divisors (14361).

50313631 is an equidigital number, since it uses as much as digits as its factorization.

50313631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14360.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 50313631 is about 7093.2102041318. The cubic root of 50313631 is about 369.1718292082.

Adding to 50313631 its reverse (13631305), we get a palindrome (63944936).

The spelling of 50313631 in words is "fifty million, three hundred thirteen thousand, six hundred thirty-one".