122311440313 has 16 divisors (see below), whose sum is σ = 130330105920. Its totient is φ = 114451543296.

The previous prime is 122311440287. The next prime is 122311440373. The reversal of 122311440313 is 313044113221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122311440313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122311440373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11691381 + ... + 11701837.

It is an arithmetic number, because the mean of its divisors is an integer number (8145631620).

Almost surely, 2^122311440313 is an apocalyptic number.

It is an amenable number.

122311440313 is a deficient number, since it is larger than the sum of its proper divisors (8018665607).

122311440313 is a wasteful number, since it uses less digits than its factorization.

122311440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 122311440313 its reverse (313044113221), we get a palindrome (435355553534).

The spelling of 122311440313 in words is "one hundred twenty-two billion, three hundred eleven million, four hundred forty thousand, three hundred thirteen".