331770487312 has 20 divisors (see below), whose sum is σ = 701242166736. Its totient is φ = 150804766880.

The previous prime is 331770487309. The next prime is 331770487313. The reversal of 331770487312 is 213784077133.

It is a super-2 number, since 2×331770487312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331770487313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942529618 + ... + 942529969.

Almost surely, 2^331770487312 is an apocalyptic number.

It is an amenable number.

331770487312 is an abundant number, since it is smaller than the sum of its proper divisors (369471679424).

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

331770487312 is a wasteful number, since it uses less digits than its factorization.

331770487312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885059606 (or 1885059600 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 331770487312 in words is "three hundred thirty-one billion, seven hundred seventy million, four hundred eighty-seven thousand, three hundred twelve".