2031323977472 has 144 divisors (see below), whose sum is σ = 4310684152320. Its totient is φ = 952653312000.

The previous prime is 2031323977471. The next prime is 2031323977583. The reversal of 2031323977472 is 2747793231302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031323977472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031323977471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228413858 + ... + 228422750.

Almost surely, 2^{2031323977472} 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 2031323977472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155342076160).

2031323977472 is an abundant number, since it is smaller than the sum of its proper divisors (2279360174848).

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

2031323977472 is a wasteful number, since it uses less digits than its factorization.

2031323977472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390 (or 9376 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 2031323977472 in words is "two trillion, thirty-one billion, three hundred twenty-three million, nine hundred seventy-seven thousand, four hundred seventy-two".