31010104 has 16 divisors (see below), whose sum is σ = 59562720. Its totient is φ = 15126720.

The previous prime is 31010093. The next prime is 31010113. The reversal of 31010104 is 40101013.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46944 + ... + 47599.

It is an arithmetic number, because the mean of its divisors is an integer number (3722670).

Almost surely, 2^31010104 is an apocalyptic number.

It is an amenable number.

31010104 is a deficient number, since it is larger than the sum of its proper divisors (28552616).

31010104 is a wasteful number, since it uses less digits than its factorization.

31010104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94590 (or 94586 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 31010104 is about 5568.6716548922. The cubic root of 31010104 is about 314.1721911126.

Adding to 31010104 its reverse (40101013), we get a palindrome (71111117).

Subtracting 31010104 from its reverse (40101013), we obtain a palindrome (9090909).

The spelling of 31010104 in words is "thirty-one million, ten thousand, one hundred four".