31134320104 has 8 divisors (see below), whose sum is σ = 58376850210. Its totient is φ = 15567160048.

The previous prime is 31134320089. The next prime is 31134320171. The reversal of 31134320104 is 40102343113.

It can be written as a sum of positive squares in only one way, i.e., 26331552900 + 4802767204 = 162270^2 + 69302^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945894999 + ... + 1945895014.

Almost surely, 2^31134320104 is an apocalyptic number.

It is an amenable number.

31134320104 is a deficient number, since it is larger than the sum of its proper divisors (27242530106).

31134320104 is a wasteful number, since it uses less digits than its factorization.

31134320104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891790019 (or 3891790015 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31134320104 its reverse (40102343113), we get a palindrome (71236663217).

The spelling of 31134320104 in words is "thirty-one billion, one hundred thirty-four million, three hundred twenty thousand, one hundred four".