331323677 has 4 divisors (see below), whose sum is σ = 333742236. Its totient is φ = 328905120.

The previous prime is 331323673. The next prime is 331323683. The reversal of 331323677 is 776323133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114468601 + 216855076 = 10699^2 + 14726^2 .

It is a cyclic number.

It is not a de Polignac number, because 331323677 - 2² = 331323673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331323673) 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, 1209074 + ... + 1209347.

It is an arithmetic number, because the mean of its divisors is an integer number (83435559).

Almost surely, 2^331323677 is an apocalyptic number.

It is an amenable number.

331323677 is a deficient number, since it is larger than the sum of its proper divisors (2418559).

331323677 is a wasteful number, since it uses less digits than its factorization.

331323677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418558.

The product of its digits is 47628, while the sum is 35.

The square root of 331323677 is about 18202.2986735192. The cubic root of 331323677 is about 691.9650467661.

The spelling of 331323677 in words is "three hundred thirty-one million, three hundred twenty-three thousand, six hundred seventy-seven".