331033413 has 8 divisors (see below), whose sum is σ = 453307168. Its totient is φ = 214724304.

The previous prime is 331033349. The next prime is 331033421. The reversal of 331033413 is 314330133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331033413 - 2⁶ = 331033349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331033413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331033013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491031 + ... + 1491252.

It is an arithmetic number, because the mean of its divisors is an integer number (56663396).

Almost surely, 2^331033413 is an apocalyptic number.

It is an amenable number.

331033413 is a deficient number, since it is larger than the sum of its proper divisors (122273755).

331033413 is a wasteful number, since it uses less digits than its factorization.

331033413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982323.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 331033413 is about 18194.3236477754. The cubic root of 331033413 is about 691.7629169066.

Adding to 331033413 its reverse (314330133), we get a palindrome (645363546).

The spelling of 331033413 in words is "three hundred thirty-one million, thirty-three thousand, four hundred thirteen".