31032106601604 has 24 divisors (see below), whose sum is σ = 72415833402528. Its totient is φ = 10342952010240.

The previous prime is 31032106601543. The next prime is 31032106601663. The reversal of 31032106601604 is 40610660123013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135321117 + ... + 135550244.

It is an arithmetic number, because the mean of its divisors is an integer number (3017326391772).

Almost surely, 2^{31032106601604} is an apocalyptic number.

It is an amenable number.

31032106601604 is an abundant number, since it is smaller than the sum of its proper divisors (41383726800924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31032106601604 is a wasteful number, since it uses less digits than its factorization.

31032106601604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270880915 (or 270880913 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 31032106601604 its reverse (40610660123013), we get a palindrome (71642766724617).

The spelling of 31032106601604 in words is "thirty-one trillion, thirty-two billion, one hundred six million, six hundred one thousand, six hundred four".