31342020104 has 32 divisors (see below), whose sum is σ = 59004207000. Its totient is φ = 15607690752.

The previous prime is 31342020091. The next prime is 31342020107. The reversal of 31342020104 is 40102024313.

It can be written as a sum of positive squares in 4 ways, for example, as 29897868100 + 1444152004 = 172910^2 + 38002^2 .

It is not an unprimeable number, because it can be changed into a prime (31342020107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129282 + ... + 2143950.

Almost surely, 2^31342020104 is an apocalyptic number.

It is an amenable number.

31342020104 is a deficient number, since it is larger than the sum of its proper divisors (27662186896).

31342020104 is a wasteful number, since it uses less digits than its factorization.

31342020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15737 (or 15733 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31342020104 its reverse (40102024313), we get a palindrome (71444044417).

The spelling of 31342020104 in words is "thirty-one billion, three hundred forty-two million, twenty thousand, one hundred four".