2031320031984 has 120 divisors (see below), whose sum is σ = 5903305935072. Its totient is φ = 651542538240.

The previous prime is 2031320031977. The next prime is 2031320032019. The reversal of 2031320031984 is 4891300231302.

2031320031984 is a `hidden beast` number, since 2 + 0 + 313 + 20 + 0 + 319 + 8 + 4 = 666.

It is a super-2 number, since 2×2031320031984² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925572 + ... + 2787555.

Almost surely, 2^{2031320031984} is an apocalyptic number.

2031320031984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2031320031984 is an abundant number, since it is smaller than the sum of its proper divisors (3871985903088).

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

2031320031984 is a wasteful number, since it uses less digits than its factorization.

2031320031984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713255 (or 4713246 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 2031320031984 in words is "two trillion, thirty-one billion, three hundred twenty million, thirty-one thousand, nine hundred eighty-four".