331030232113121 has 4 divisors (see below), whose sum is σ = 345422850900672. Its totient is φ = 316637613325572.

The previous prime is 331030232113081. The next prime is 331030232113289. The reversal of 331030232113121 is 121311232030133.

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 331030232113121 - 2⁶ = 331030232113057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331030232112121) 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, 7196309393741 + ... + 7196309393786.

It is an arithmetic number, because the mean of its divisors is an integer number (86355712725168).

Almost surely, 2^{331030232113121} is an apocalyptic number.

It is an amenable number.

331030232113121 is a deficient number, since it is larger than the sum of its proper divisors (14392618787551).

331030232113121 is a wasteful number, since it uses less digits than its factorization.

331030232113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14392618787550.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331030232113121 its reverse (121311232030133), we get a palindrome (452341464143254).

The spelling of 331030232113121 in words is "three hundred thirty-one trillion, thirty billion, two hundred thirty-two million, one hundred thirteen thousand, one hundred twenty-one".