331411393 has 4 divisors (see below), whose sum is σ = 345820608. Its totient is φ = 317002180.

The previous prime is 331411361. The next prime is 331411403. The reversal of 331411393 is 393114133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331411393 - 2⁵ = 331411361 is a prime.

It is a super-2 number, since 2×331411393² = 219667022820400898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331411693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7204573 + ... + 7204618.

It is an arithmetic number, because the mean of its divisors is an integer number (86455152).

Almost surely, 2^331411393 is an apocalyptic number.

It is an amenable number.

331411393 is a deficient number, since it is larger than the sum of its proper divisors (14409215).

331411393 is a wasteful number, since it uses less digits than its factorization.

331411393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14409214.

The product of its digits is 2916, while the sum is 28.

The square root of 331411393 is about 18204.7079899679. The cubic root of 331411393 is about 692.0261059404.

The spelling of 331411393 in words is "three hundred thirty-one million, four hundred eleven thousand, three hundred ninety-three".