331000023221033 has 4 divisors (see below), whose sum is σ = 331479039174288. Its totient is φ = 330521007267780.

The previous prime is 331000023220963. The next prime is 331000023221039. The reversal of 331000023221033 is 330122320000133.

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 331000023221033 - 2⁸ = 331000023220777 is a prime.

It is a super-2 number, since 2×331000023221033² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331000023221039) 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, 239507975591 + ... + 239507976972.

It is an arithmetic number, because the mean of its divisors is an integer number (82869759793572).

Almost surely, 2^{331000023221033} is an apocalyptic number.

It is an amenable number.

331000023221033 is a deficient number, since it is larger than the sum of its proper divisors (479015953255).

331000023221033 is an equidigital number, since it uses as much as digits as its factorization.

331000023221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479015953254.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 331000023221033 its reverse (330122320000133), we get a palindrome (661122343221166).

The spelling of 331000023221033 in words is "three hundred thirty-one trillion, twenty-three million, two hundred twenty-one thousand, thirty-three".