31223024104 has 8 divisors (see below), whose sum is σ = 58543170210. Its totient is φ = 15611512048.

The previous prime is 31223024089. The next prime is 31223024117. The reversal of 31223024104 is 40142032213.

It can be written as a sum of positive squares in only one way, i.e., 24964632004 + 6258392100 = 158002^2 + 79110^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951438999 + ... + 1951439014.

Almost surely, 2^31223024104 is an apocalyptic number.

It is an amenable number.

31223024104 is a deficient number, since it is larger than the sum of its proper divisors (27320146106).

31223024104 is a wasteful number, since it uses less digits than its factorization.

31223024104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902878019 (or 3902878015 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31223024104 its reverse (40142032213), we get a palindrome (71365056317).

The spelling of 31223024104 in words is "thirty-one billion, two hundred twenty-three million, twenty-four thousand, one hundred four".