31122124 has 12 divisors (see below), whose sum is σ = 59415048. Its totient is φ = 14146400.

The previous prime is 31122101. The next prime is 31122173. The reversal of 31122124 is 42122113.

It is a junction number, because it is equal to n+sod(n) for n = 31122098 and 31122107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353617 + ... + 353704.

It is an arithmetic number, because the mean of its divisors is an integer number (4951254).

Almost surely, 2^31122124 is an apocalyptic number.

It is an amenable number.

31122124 is a deficient number, since it is larger than the sum of its proper divisors (28292924).

31122124 is a wasteful number, since it uses less digits than its factorization.

31122124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707336 (or 707334 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 31122124 is about 5578.7206418676. The cubic root of 31122124 is about 314.5500386713.

Adding to 31122124 its reverse (42122113), we get a palindrome (73244237).

The spelling of 31122124 in words is "thirty-one million, one hundred twenty-two thousand, one hundred twenty-four".