1038478231 has 12 divisors (see below), whose sum is σ = 1252587792. Its totient is φ = 843273504.

The previous prime is 1038478187. The next prime is 1038478261. The reversal of 1038478231 is 1328748301.

It is not a de Polignac number, because 1038478231 - 2¹¹ = 1038476183 is a prime.

It is a super-2 number, since 2×1038478231² = 2156874072521778722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038478261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202950 + ... + 208003.

It is an arithmetic number, because the mean of its divisors is an integer number (104382316).

Almost surely, 2^1038478231 is an apocalyptic number.

1038478231 is a deficient number, since it is larger than the sum of its proper divisors (214109561).

1038478231 is an equidigital number, since it uses as much as digits as its factorization.

1038478231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410998 (or 410979 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1038478231 is about 32225.4283291937. The cubic root of 1038478231 is about 1012.6649976697.

The spelling of 1038478231 in words is "one billion, thirty-eight million, four hundred seventy-eight thousand, two hundred thirty-one".