5131430502 has 64 divisors (see below), whose sum is σ = 11698642944. Its totient is φ = 1485332640.

The previous prime is 5131430483. The next prime is 5131430561. The reversal of 5131430502 is 2050341315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1374963 + ... + 1378689.

It is an arithmetic number, because the mean of its divisors is an integer number (182791296).

Almost surely, 2^5131430502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131430502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5849321472).

5131430502 is an abundant number, since it is smaller than the sum of its proper divisors (6567212442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131430502 is a wasteful number, since it uses less digits than its factorization.

5131430502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5131430502 is about 71634.0038110393. The cubic root of 5131430502 is about 1724.8294169482.

Adding to 5131430502 its reverse (2050341315), we get a palindrome (7181771817).

The spelling of 5131430502 in words is "five billion, one hundred thirty-one million, four hundred thirty thousand, five hundred two".