5203661931 has 36 divisors (see below), whose sum is σ = 8150910768. Its totient is φ = 3197593152.

The previous prime is 5203661921. The next prime is 5203661959. The reversal of 5203661931 is 1391663025.

5203661931 is a `hidden beast` number, since 5 + 2 + 0 + 3 + 6 + 619 + 31 = 666.

It is not a de Polignac number, because 5203661931 - 2¹⁵ = 5203629163 is a prime.

It is a super-2 number, since 2×5203661931² = 54156194984277297522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5203661921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1249705 + ... + 1253861.

It is an arithmetic number, because the mean of its divisors is an integer number (226414188).

Almost surely, 2^5203661931 is an apocalyptic number.

5203661931 is a deficient number, since it is larger than the sum of its proper divisors (2947248837).

5203661931 is a wasteful number, since it uses less digits than its factorization.

5203661931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 5203661931 is about 72136.4119637233. The cubic root of 5203661931 is about 1732.8847957467.

The spelling of 5203661931 in words is "five billion, two hundred three million, six hundred sixty-one thousand, nine hundred thirty-one".