31332002104 has 64 divisors (see below), whose sum is σ = 63735366240. Its totient is φ = 14354081280.

The previous prime is 31332002101. The next prime is 31332002113. The reversal of 31332002104 is 40120023313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12855574 + ... + 12858010.

Almost surely, 2^31332002104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31332002104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31867683120).

31332002104 is an abundant number, since it is smaller than the sum of its proper divisors (32403364136).

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

31332002104 is a wasteful number, since it uses less digits than its factorization.

31332002104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31332002104 its reverse (40120023313), we get a palindrome (71452025417).

The spelling of 31332002104 in words is "thirty-one billion, three hundred thirty-two million, two thousand, one hundred four".