331656230152 has 64 divisors (see below), whose sum is σ = 694219014720. Its totient is φ = 147542923008.

The previous prime is 331656230099. The next prime is 331656230161. The reversal of 331656230152 is 251032656133.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 8983 + ... + 814489.

It is an arithmetic number, because the mean of its divisors is an integer number (10847172105).

Almost surely, 2^331656230152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331656230152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347109507360).

331656230152 is an abundant number, since it is smaller than the sum of its proper divisors (362562784568).

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

331656230152 is a wasteful number, since it uses less digits than its factorization.

331656230152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805670 (or 805666 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 331656230152 its reverse (251032656133), we get a palindrome (582688886285).

The spelling of 331656230152 in words is "three hundred thirty-one billion, six hundred fifty-six million, two hundred thirty thousand, one hundred fifty-two".