391322211211313 has 4 divisors (see below), whose sum is σ = 411918117064560. Its totient is φ = 370726305358068.

The previous prime is 391322211211297. The next prime is 391322211211417. The reversal of 391322211211313 is 313112112223193.

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 391322211211313 - 2⁴ = 391322211211297 is a prime.

It is a super-2 number, since 2×391322211211313² (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 (391322211211913) 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, 10297952926595 + ... + 10297952926632.

It is an arithmetic number, because the mean of its divisors is an integer number (102979529266140).

Almost surely, 2^{391322211211313} is an apocalyptic number.

It is an amenable number.

391322211211313 is a deficient number, since it is larger than the sum of its proper divisors (20595905853247).

391322211211313 is a wasteful number, since it uses less digits than its factorization.

391322211211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595905853246.

The product of its digits is 11664, while the sum is 35.

The spelling of 391322211211313 in words is "three hundred ninety-one trillion, three hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, three hundred thirteen".