31024200104 has 8 divisors (see below), whose sum is σ = 58170375210. Its totient is φ = 15512100048.

The previous prime is 31024200073. The next prime is 31024200113. The reversal of 31024200104 is 40100242013.

It can be written as a sum of positive squares in only one way, i.e., 29285476900 + 1738723204 = 171130^2 + 41698^2 .

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

It is a super-2 number, since 2×31024200104² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939012499 + ... + 1939012514.

Almost surely, 2^31024200104 is an apocalyptic number.

It is an amenable number.

31024200104 is a deficient number, since it is larger than the sum of its proper divisors (27146175106).

31024200104 is a wasteful number, since it uses less digits than its factorization.

31024200104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878025019 (or 3878025015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 31024200104 its reverse (40100242013), we get a palindrome (71124442117).

The spelling of 31024200104 in words is "thirty-one billion, twenty-four million, two hundred thousand, one hundred four".