331246161331 has 4 divisors (see below), whose sum is σ = 331307656632. Its totient is φ = 331184666032.

The previous prime is 331246161313. The next prime is 331246161353. The reversal of 331246161331 is 133161642133.

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 331246161331 - 2¹⁷ = 331246030259 is a prime.

It is a super-2 number, since 2×331246161331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331246161361) 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, 30739570 + ... + 30750343.

It is an arithmetic number, because the mean of its divisors is an integer number (82826914158).

Almost surely, 2^331246161331 is an apocalyptic number.

331246161331 is a deficient number, since it is larger than the sum of its proper divisors (61495301).

331246161331 is an equidigital number, since it uses as much as digits as its factorization.

331246161331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61495300.

The product of its digits is 23328, while the sum is 34.

The spelling of 331246161331 in words is "three hundred thirty-one billion, two hundred forty-six million, one hundred sixty-one thousand, three hundred thirty-one".