1038979331 has 4 divisors (see below), whose sum is σ = 1118900832. Its totient is φ = 959057832.

The previous prime is 1038979307. The next prime is 1038979339. The reversal of 1038979331 is 1339798301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1339798301 = 2017 ⋅664253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1038979331 is a prime.

It is a super-2 number, since 2×1038979331² = 2158956100490415122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038979339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39960731 + ... + 39960756.

It is an arithmetic number, because the mean of its divisors is an integer number (279725208).

Almost surely, 2^1038979331 is an apocalyptic number.

1038979331 is a deficient number, since it is larger than the sum of its proper divisors (79921501).

1038979331 is an equidigital number, since it uses as much as digits as its factorization.

1038979331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79921500.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1038979331 is about 32233.2023075586. The cubic root of 1038979331 is about 1012.8278528993.

The spelling of 1038979331 in words is "one billion, thirty-eight million, nine hundred seventy-nine thousand, three hundred thirty-one".