31332001012002 has 128 divisors (see below), whose sum is σ = 70458198520320. Its totient is φ = 10319713747200.

The previous prime is 31332001011959. The next prime is 31332001012043. The reversal of 31332001012002 is 20021010023313.

31332001012002 is a `hidden beast` number, since 31 + 332 + 0 + 0 + 101 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6756952828 + ... + 6756957464.

It is an arithmetic number, because the mean of its divisors is an integer number (550454675940).

Almost surely, 2^{31332001012002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31332001012002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35229099260160).

31332001012002 is an abundant number, since it is smaller than the sum of its proper divisors (39126197508318).

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

31332001012002 is a wasteful number, since it uses less digits than its factorization.

31332001012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31332001012002 its reverse (20021010023313), we get a palindrome (51353011035315).

The spelling of 31332001012002 in words is "thirty-one trillion, three hundred thirty-two billion, one million, twelve thousand, two".