331383011 has 4 divisors (see below), whose sum is σ = 345790992. Its totient is φ = 316975032.

The previous prime is 331383007. The next prime is 331383053. The reversal of 331383011 is 110383133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331383011 - 2² = 331383007 is a prime.

It is a super-2 number, since 2×331383011² = 219629399958852242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 14407957 = 331383011 / (3 + 3 + 1 + 3 + 8 + 3 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331383071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7203956 + ... + 7204001.

It is an arithmetic number, because the mean of its divisors is an integer number (86447748).

Almost surely, 2^331383011 is an apocalyptic number.

331383011 is a deficient number, since it is larger than the sum of its proper divisors (14407981).

331383011 is a wasteful number, since it uses less digits than its factorization.

331383011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407980.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 331383011 is about 18203.9284496506. The cubic root of 331383011 is about 692.0063503878.

The spelling of 331383011 in words is "three hundred thirty-one million, three hundred eighty-three thousand, eleven".