331213312207 has 2 divisors, whose sum is σ = 331213312208. Its totient is φ = 331213312206.

The previous prime is 331213312159. The next prime is 331213312219. The reversal of 331213312207 is 702213312133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331213312207 - 2¹¹ = 331213310159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331213312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165606656103 + 165606656104.

It is an arithmetic number, because the mean of its divisors is an integer number (165606656104).

Almost surely, 2^331213312207 is an apocalyptic number.

331213312207 is a deficient number, since it is larger than the sum of its proper divisors (1).

331213312207 is an equidigital number, since it uses as much as digits as its factorization.

331213312207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 331213312207 in words is "three hundred thirty-one billion, two hundred thirteen million, three hundred twelve thousand, two hundred seven".