331031009963 has 2 divisors, whose sum is σ = 331031009964. Its totient is φ = 331031009962.

The previous prime is 331031009957. The next prime is 331031010031. The reversal of 331031009963 is 369900130133.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (369900130133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331031009963 - 2²⁰ = 331029961387 is a prime.

It is a super-2 number, since 2×331031009963² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331031009063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165515504981 + 165515504982.

It is an arithmetic number, because the mean of its divisors is an integer number (165515504982).

Almost surely, 2^331031009963 is an apocalyptic number.

331031009963 is a deficient number, since it is larger than the sum of its proper divisors (1).

331031009963 is an equidigital number, since it uses as much as digits as its factorization.

331031009963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 38.

The spelling of 331031009963 in words is "three hundred thirty-one billion, thirty-one million, nine thousand, nine hundred sixty-three".