5278331931 has 8 divisors (see below), whose sum is σ = 7042566144. Its totient is φ = 3516492840.

The previous prime is 5278331909. The next prime is 5278331983. The reversal of 5278331931 is 1391338725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5278331931 - 2⁵ = 5278331899 is a prime.

It is a super-2 number, since 2×5278331931² = 55721575947628377522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5278331831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593631 + ... + 602456.

It is an arithmetic number, because the mean of its divisors is an integer number (880320768).

Almost surely, 2^5278331931 is an apocalyptic number.

5278331931 is a deficient number, since it is larger than the sum of its proper divisors (1764234213).

5278331931 is a wasteful number, since it uses less digits than its factorization.

5278331931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197561.

The product of its digits is 136080, while the sum is 42.

The square root of 5278331931 is about 72652.1295696141. The cubic root of 5278331931 is about 1741.1341453220.

The spelling of 5278331931 in words is "five billion, two hundred seventy-eight million, three hundred thirty-one thousand, nine hundred thirty-one".