31223234024 has 8 divisors (see below), whose sum is σ = 58543563810. Its totient is φ = 15611617008.

The previous prime is 31223233997. The next prime is 31223234039. The reversal of 31223234024 is 42043232213.

It can be written as a sum of positive squares in only one way, i.e., 25398796900 + 5824437124 = 159370^2 + 76318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31223233984 and 31223234002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951452119 + ... + 1951452134.

Almost surely, 2^31223234024 is an apocalyptic number.

It is an amenable number.

31223234024 is a deficient number, since it is larger than the sum of its proper divisors (27320329786).

31223234024 is a wasteful number, since it uses less digits than its factorization.

31223234024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902904259 (or 3902904255 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31223234024 its reverse (42043232213), we get a palindrome (73266466237).

The spelling of 31223234024 in words is "thirty-one billion, two hundred twenty-three million, two hundred thirty-four thousand, twenty-four".