122313311 has 4 divisors (see below), whose sum is σ = 122337912. Its totient is φ = 122288712.

The previous prime is 122313307. The next prime is 122313341. The reversal of 122313311 is 113313221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122313311 - 2² = 122313307 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 122313311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313341) 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, 1925 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (30584478).

Almost surely, 2^122313311 is an apocalyptic number.

122313311 is a deficient number, since it is larger than the sum of its proper divisors (24601).

122313311 is an equidigital number, since it uses as much as digits as its factorization.

122313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24600.

The product of its digits is 108, while the sum is 17.

The square root of 122313311 is about 11059.5348455530. The cubic root of 122313311 is about 496.3917720172.

Adding to 122313311 its reverse (113313221), we get a palindrome (235626532).

The spelling of 122313311 in words is "one hundred twenty-two million, three hundred thirteen thousand, three hundred eleven".