331012443411989 has 8 divisors (see below), whose sum is σ = 332728782579480. Its totient is φ = 329296117118976.

The previous prime is 331012443411953. The next prime is 331012443412193. The reversal of 331012443411989 is 989114344210133.

It can be written as a sum of positive squares in 4 ways, for example, as 21736489489 + 330990706922500 = 147433^2 + 18193150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331012443411989 - 2²⁰ = 331012442363413 is a prime.

It is a super-2 number, since 2×331012443411989² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331012443411989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331012443411929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50669099 + ... + 56827655.

It is an arithmetic number, because the mean of its divisors is an integer number (41591097822435).

Almost surely, 2^{331012443411989} is an apocalyptic number.

It is an amenable number.

331012443411989 is a deficient number, since it is larger than the sum of its proper divisors (1716339167491).

331012443411989 is a wasteful number, since it uses less digits than its factorization.

331012443411989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437239.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 331012443411989 in words is "three hundred thirty-one trillion, twelve billion, four hundred forty-three million, four hundred eleven thousand, nine hundred eighty-nine".