331002100997 has 4 divisors (see below), whose sum is σ = 338699824320. Its totient is φ = 323304377676.

The previous prime is 331002100969. The next prime is 331002101041. The reversal of 331002100997 is 799001200133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331002100997 - 2²⁸ = 330733665541 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 (331002100967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848861597 + ... + 3848861682.

It is an arithmetic number, because the mean of its divisors is an integer number (84674956080).

Almost surely, 2^331002100997 is an apocalyptic number.

It is an amenable number.

331002100997 is a deficient number, since it is larger than the sum of its proper divisors (7697723323).

331002100997 is an equidigital number, since it uses as much as digits as its factorization.

331002100997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7697723322.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 331002100997 in words is "three hundred thirty-one billion, two million, one hundred thousand, nine hundred ninety-seven".