31442718404 has 12 divisors (see below), whose sum is σ = 57920797200. Its totient is φ = 14893919208.

The previous prime is 31442718403. The next prime is 31442718451. The reversal of 31442718404 is 40481724413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (31442718403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206859914 + ... + 206860065.

It is an arithmetic number, because the mean of its divisors is an integer number (4826733100).

Almost surely, 2^31442718404 is an apocalyptic number.

It is an amenable number.

31442718404 is a deficient number, since it is larger than the sum of its proper divisors (26478078796).

31442718404 is a wasteful number, since it uses less digits than its factorization.

31442718404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413720002 (or 413720000 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 31442718404 in words is "thirty-one billion, four hundred forty-two million, seven hundred eighteen thousand, four hundred four".