331023477137 has 4 divisors (see below), whose sum is σ = 331029929280. Its totient is φ = 331017024996.

The previous prime is 331023477133. The next prime is 331023477151. The reversal of 331023477137 is 731774320133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331023477137 - 2² = 331023477133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331023477094 and 331023477103.

It is not an unprimeable number, because it can be changed into a prime (331023477133) 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, 3148493 + ... + 3251930.

It is an arithmetic number, because the mean of its divisors is an integer number (82757482320).

Almost surely, 2^331023477137 is an apocalyptic number.

It is an amenable number.

331023477137 is a deficient number, since it is larger than the sum of its proper divisors (6452143).

331023477137 is an equidigital number, since it uses as much as digits as its factorization.

331023477137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452142.

The product of its (nonzero) digits is 222264, while the sum is 41.

The spelling of 331023477137 in words is "three hundred thirty-one billion, twenty-three million, four hundred seventy-seven thousand, one hundred thirty-seven".