331215523505616 has 80 divisors (see below), whose sum is σ = 881406074525760. Its totient is φ = 107110620195840.

The previous prime is 331215523505569. The next prime is 331215523505653. The reversal of 331215523505616 is 616505325512133.

It is a super-2 number, since 2×331215523505616² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469761055 + ... + 470465598.

It is an arithmetic number, because the mean of its divisors is an integer number (11017575931572).

Almost surely, 2^{331215523505616} is an apocalyptic number.

It is an amenable number.

331215523505616 is an abundant number, since it is smaller than the sum of its proper divisors (550190551020144).

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

331215523505616 is a wasteful number, since it uses less digits than its factorization.

331215523505616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940226884 (or 940226878 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 331215523505616 in words is "three hundred thirty-one trillion, two hundred fifteen billion, five hundred twenty-three million, five hundred five thousand, six hundred sixteen".