31094080 has 28 divisors (see below), whose sum is σ = 74043540. Its totient is φ = 12437504.

The previous prime is 31094057. The next prime is 31094087. The reversal of 31094080 is 8049013.

It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 19642624 = 3384^2 + 4432^2 .

It is a super-2 number, since 2×31094080² = 1933683622092800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31094087) 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, 48265 + ... + 48904.

Almost surely, 2^31094080 is an apocalyptic number.

It is an amenable number.

31094080 is an abundant number, since it is smaller than the sum of its proper divisors (42949460).

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

31094080 is an equidigital number, since it uses as much as digits as its factorization.

31094080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97186 (or 97176 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 31094080 is about 5576.2065958858. The cubic root of 31094080 is about 314.4555304237.

The spelling of 31094080 in words is "thirty-one million, ninety-four thousand, eighty".