311822341313 has 8 divisors (see below), whose sum is σ = 356459077440. Its totient is φ = 267208277040.

The previous prime is 311822341247. The next prime is 311822341349. The reversal of 311822341313 is 313143228113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311822341313 - 2⁸ = 311822341057 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 311822341313.

It is not an unprimeable number, because it can be changed into a prime (311822341813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5638478 + ... + 5693511.

It is an arithmetic number, because the mean of its divisors is an integer number (44557384680).

Almost surely, 2^311822341313 is an apocalyptic number.

It is an amenable number.

311822341313 is a deficient number, since it is larger than the sum of its proper divisors (44636736127).

311822341313 is a wasteful number, since it uses less digits than its factorization.

311822341313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335927.

The product of its digits is 10368, while the sum is 32.

Adding to 311822341313 its reverse (313143228113), we get a palindrome (624965569426).

The spelling of 311822341313 in words is "three hundred eleven billion, eight hundred twenty-two million, three hundred forty-one thousand, three hundred thirteen".