331740513 has 48 divisors (see below), whose sum is σ = 550368000. Its totient is φ = 190854144.

The previous prime is 331740503. The next prime is 331740527. The reversal of 331740513 is 315047133.

It is not a de Polignac number, because 331740513 - 2⁵ = 331740481 is a prime.

It is a super-2 number, since 2×331740513² = 220103535931006338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331740503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174673 + ... + 176561.

It is an arithmetic number, because the mean of its divisors is an integer number (11466000).

Almost surely, 2^331740513 is an apocalyptic number.

It is an amenable number.

331740513 is a deficient number, since it is larger than the sum of its proper divisors (218627487).

331740513 is a wasteful number, since it uses less digits than its factorization.

331740513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 331740513 is about 18213.7451667690. The cubic root of 331740513 is about 692.2551106190.

Adding to 331740513 its reverse (315047133), we get a palindrome (646787646).

The spelling of 331740513 in words is "three hundred thirty-one million, seven hundred forty thousand, five hundred thirteen".