331040352 has 48 divisors (see below), whose sum is σ = 877443840. Its totient is φ = 109272192.

The previous prime is 331040329. The next prime is 331040383. The reversal of 331040352 is 253040133.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6852 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (18280080).

Almost surely, 2^331040352 is an apocalyptic number.

331040352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331040352 is an abundant number, since it is smaller than the sum of its proper divisors (546403488).

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

331040352 is a wasteful number, since it uses less digits than its factorization.

331040352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33595 (or 33587 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 331040352 is about 18194.5143381185. The cubic root of 331040352 is about 691.7677503657.

Adding to 331040352 its reverse (253040133), we get a palindrome (584080485).

The spelling of 331040352 in words is "three hundred thirty-one million, forty thousand, three hundred fifty-two".