31110394 has 12 divisors (see below), whose sum is σ = 54284634. Its totient is φ = 13332984.

The previous prime is 31110361. The next prime is 31110397. The reversal of 31110394 is 49301113.

It can be written as a sum of positive squares in only one way, i.e., 16769025 + 14341369 = 4095^2 + 3787^2 .

It is a super-2 number, since 2×31110394² = 1935713229670472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31110397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158629 + ... + 158824.

Almost surely, 2^31110394 is an apocalyptic number.

31110394 is a deficient number, since it is larger than the sum of its proper divisors (23174240).

31110394 is a wasteful number, since it uses less digits than its factorization.

31110394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317469 (or 317462 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 31110394 is about 5577.6692264780. The cubic root of 31110394 is about 314.5105154948.

The spelling of 31110394 in words is "thirty-one million, one hundred ten thousand, three hundred ninety-four".