50315031 has 48 divisors (see below), whose sum is σ = 81777696. Its totient is φ = 29611008.

The previous prime is 50315011. The next prime is 50315071. The reversal of 50315031 is 13051305.

It is a happy number.

It is not a de Polignac number, because 50315031 - 2¹⁰ = 50314007 is a prime.

It is a super-2 number, since 2×50315031² = 5063204689061922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50314995 and 50315013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50315011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367195 + ... + 367331.

It is an arithmetic number, because the mean of its divisors is an integer number (1703702).

Almost surely, 2^50315031 is an apocalyptic number.

50315031 is a deficient number, since it is larger than the sum of its proper divisors (31462665).

50315031 is a wasteful number, since it uses less digits than its factorization.

50315031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 50315031 is about 7093.3088893689. The cubic root of 50315031 is about 369.1752533019.

Adding to 50315031 its reverse (13051305), we get a palindrome (63366336).

The spelling of 50315031 in words is "fifty million, three hundred fifteen thousand, thirty-one".