331030121313 has 4 divisors (see below), whose sum is σ = 441373495088. Its totient is φ = 220686747540.

The previous prime is 331030121299. The next prime is 331030121329. The reversal of 331030121313 is 313121030133.

331030121313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 331030121313 - 2⁹ = 331030120801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331030121313.

It is not an unprimeable number, because it can be changed into a prime (331030121393) 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, 55171686883 + ... + 55171686888.

It is an arithmetic number, because the mean of its divisors is an integer number (110343373772).

Almost surely, 2^331030121313 is an apocalyptic number.

It is an amenable number.

331030121313 is a deficient number, since it is larger than the sum of its proper divisors (110343373775).

331030121313 is a wasteful number, since it uses less digits than its factorization.

331030121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110343373774.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 331030121313 its reverse (313121030133), we get a palindrome (644151151446).

The spelling of 331030121313 in words is "three hundred thirty-one billion, thirty million, one hundred twenty-one thousand, three hundred thirteen".