31201333104 has 40 divisors (see below), whose sum is σ = 81924819472. Its totient is φ = 10229944320.

The previous prime is 31201333103. The next prime is 31201333201. The reversal of 31201333104 is 40133310213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201333103) 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, 5325169 + ... + 5331024.

Almost surely, 2^31201333104 is an apocalyptic number.

It is an amenable number.

31201333104 is an abundant number, since it is smaller than the sum of its proper divisors (50723486368).

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

31201333104 is a wasteful number, since it uses less digits than its factorization.

31201333104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656265 (or 10656259 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31201333104 its reverse (40133310213), we get a palindrome (71334643317).

The spelling of 31201333104 in words is "thirty-one billion, two hundred one million, three hundred thirty-three thousand, one hundred four".