122231031313 has 4 divisors (see below), whose sum is σ = 122308837488. Its totient is φ = 122153225140.

The previous prime is 122231031229. The next prime is 122231031323. The reversal of 122231031313 is 313130132221.

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 a de Polignac number, because none of the positive numbers 2^k-122231031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122231031323) 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, 38900731 + ... + 38903872.

It is an arithmetic number, because the mean of its divisors is an integer number (30577209372).

Almost surely, 2^122231031313 is an apocalyptic number.

It is an amenable number.

122231031313 is a deficient number, since it is larger than the sum of its proper divisors (77806175).

122231031313 is an equidigital number, since it uses as much as digits as its factorization.

122231031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77806174.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 122231031313 its reverse (313130132221), we get a palindrome (435361163534).

The spelling of 122231031313 in words is "one hundred twenty-two billion, two hundred thirty-one million, thirty-one thousand, three hundred thirteen".