331221332102131 has 8 divisors (see below), whose sum is σ = 335852634582224. Its totient is φ = 326592570810240.

The previous prime is 331221332102119. The next prime is 331221332102149. The reversal of 331221332102131 is 131201233122133.

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 331221332102131 - 2¹⁵ = 331221332069363 is a prime.

It is a super-2 number, since 2×331221332102131² (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 331221332102131.

It is not an unprimeable number, because it can be changed into a prime (331221332172131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635034546 + ... + 635555911.

It is an arithmetic number, because the mean of its divisors is an integer number (41981579322778).

Almost surely, 2^{331221332102131} is an apocalyptic number.

331221332102131 is a deficient number, since it is larger than the sum of its proper divisors (4631302480093).

331221332102131 is a wasteful number, since it uses less digits than its factorization.

331221332102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270594101.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 331221332102131 its reverse (131201233122133), we get a palindrome (462422565224264).

The spelling of 331221332102131 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred two thousand, one hundred thirty-one".