5131621304 has 16 divisors (see below), whose sum is σ = 9826509600. Its totient is φ = 2511218752.

The previous prime is 5131621277. The next prime is 5131621337. The reversal of 5131621304 is 4031261315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6823589 + ... + 6824340.

It is an arithmetic number, because the mean of its divisors is an integer number (614156850).

Almost surely, 2^5131621304 is an apocalyptic number.

It is an amenable number.

5131621304 is a deficient number, since it is larger than the sum of its proper divisors (4694888296).

5131621304 is a wasteful number, since it uses less digits than its factorization.

5131621304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647982 (or 13647978 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5131621304 is about 71635.3355823786. The cubic root of 5131621304 is about 1724.8507947962.

Adding to 5131621304 its reverse (4031261315), we get a palindrome (9162882619).

The spelling of 5131621304 in words is "five billion, one hundred thirty-one million, six hundred twenty-one thousand, three hundred four".