331963 has 4 divisors (see below), whose sum is σ = 343440. Its totient is φ = 320488.

The previous prime is 331957. The next prime is 331967. The reversal of 331963 is 369133.

331963 is nontrivially palindromic in base 7.

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 331963 - 2⁹ = 331451 is a prime.

It is a super-2 number, since 2×331963² = 220398866738, which contains 22 as substring.

It is a Duffinian number.

331963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (331967) 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, 5695 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2³³¹⁹⁶³ is an apocalyptic number.

331963 is a deficient number, since it is larger than the sum of its proper divisors (11477).

331963 is a wasteful number, since it uses less digits than its factorization.

331963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476.

The product of its digits is 1458, while the sum is 25.

The square root of 331963 is about 576.1623035222. The cubic root of 331963 is about 69.2409833299.

The spelling of 331963 in words is "three hundred thirty-one thousand, nine hundred sixty-three".