31004122 has 12 divisors (see below), whose sum is σ = 47168190. Its totient is φ = 15284448.

The previous prime is 31004119. The next prime is 31004147. The reversal of 31004122 is 22140013.

It can be written as a sum of positive squares in 3 ways, for example, as 30569841 + 434281 = 5529^2 + 659^2 .

It is a super-2 number, since 2×31004122² = 1922511161981768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9204 + ... + 12112.

Almost surely, 2^31004122 is an apocalyptic number.

31004122 is a deficient number, since it is larger than the sum of its proper divisors (16164068).

31004122 is an equidigital number, since it uses as much as digits as its factorization.

31004122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31004122 is about 5568.1345170533. The cubic root of 31004122 is about 314.1519880318.

Adding to 31004122 its reverse (22140013), we get a palindrome (53144135).

The spelling of 31004122 in words is "thirty-one million, four thousand, one hundred twenty-two".