31122423304 has 32 divisors (see below), whose sum is σ = 68051952000. Its totient is φ = 13338180240.

The previous prime is 31122423281. The next prime is 31122423317. The reversal of 31122423304 is 40332422113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668252 + ... + 5673739.

It is an arithmetic number, because the mean of its divisors is an integer number (2126623500).

Almost surely, 2^31122423304 is an apocalyptic number.

It is an amenable number.

31122423304 is an abundant number, since it is smaller than the sum of its proper divisors (36929528696).

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

31122423304 is a wasteful number, since it uses less digits than its factorization.

31122423304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342018 (or 11342000 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31122423304 its reverse (40332422113), we get a palindrome (71454845417).

The spelling of 31122423304 in words is "thirty-one billion, one hundred twenty-two million, four hundred twenty-three thousand, three hundred four".