5321431128 has 64 divisors (see below), whose sum is σ = 14334132960. Its totient is φ = 1636540416.

The previous prime is 5321431081. The next prime is 5321431151. The reversal of 5321431128 is 8211341235.

It is a junction number, because it is equal to n+sod(n) for n = 5321431095 and 5321431104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976026 + ... + 981462.

Almost surely, 2^5321431128 is an apocalyptic number.

It is an amenable number.

5321431128 is an abundant number, since it is smaller than the sum of its proper divisors (9012701832).

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

5321431128 is a wasteful number, since it uses less digits than its factorization.

5321431128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596 (or 8592 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 5321431128 is about 72948.1399899956. The cubic root of 5321431128 is about 1745.8602696889.

The spelling of 5321431128 in words is "five billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred twenty-eight".