331230032122213 has 4 divisors (see below), whose sum is σ = 378548608139680. Its totient is φ = 283911456104748.

The previous prime is 331230032122169. The next prime is 331230032122259. The reversal of 331230032122213 is 312221230032133.

It is a happy number.

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 331230032122213 - 2¹³ = 331230032114021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331230032152213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23659288008723 + ... + 23659288008736.

It is an arithmetic number, because the mean of its divisors is an integer number (94637152034920).

Almost surely, 2^{331230032122213} is an apocalyptic number.

It is an amenable number.

331230032122213 is a deficient number, since it is larger than the sum of its proper divisors (47318576017467).

331230032122213 is an equidigital number, since it uses as much as digits as its factorization.

331230032122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47318576017466.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331230032122213 its reverse (312221230032133), we get a palindrome (643451262154346).

The spelling of 331230032122213 in words is "three hundred thirty-one trillion, two hundred thirty billion, thirty-two million, one hundred twenty-two thousand, two hundred thirteen".