2331974832021 has 12 divisors (see below), whose sum is σ = 3493163946272. Its totient is φ = 1554649887852.

The previous prime is 2331974832017. The next prime is 2331974832029. The reversal of 2331974832021 is 1202384791332.

2331974832021 is a `hidden beast` number, since 2 + 3 + 319 + 7 + 4 + 8 + 320 + 2 + 1 = 666.

It is not a de Polignac number, because 2331974832021 - 2² = 2331974832017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331974832029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4798301881 + ... + 4798302366.

Almost surely, 2^{2331974832021} is an apocalyptic number.

It is an amenable number.

2331974832021 is a deficient number, since it is larger than the sum of its proper divisors (1161189114251).

2331974832021 is an frugal number, since it uses more digits than its factorization.

2331974832021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596604262 (or 9596604250 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 2331974832021 in words is "two trillion, three hundred thirty-one billion, nine hundred seventy-four million, eight hundred thirty-two thousand, twenty-one".