331152513040 has 80 divisors (see below), whose sum is σ = 791831319552. Its totient is φ = 128702863872.

The previous prime is 331152513037. The next prime is 331152513071. The reversal of 331152513040 is 40315251133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2074977 + ... + 2228863.

Almost surely, 2^331152513040 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 331152513040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395915659776).

331152513040 is an abundant number, since it is smaller than the sum of its proper divisors (460678806512).

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

331152513040 is a wasteful number, since it uses less digits than its factorization.

331152513040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154664 (or 154658 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 331152513040 its reverse (40315251133), we get a palindrome (371467764173).

The spelling of 331152513040 in words is "three hundred thirty-one billion, one hundred fifty-two million, five hundred thirteen thousand, forty".