23313131122 has 4 divisors (see below), whose sum is σ = 34969696686. Its totient is φ = 11656565560.

The previous prime is 23313131113. The next prime is 23313131129. The reversal of 23313131122 is 22113131332.

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

It can be written as a sum of positive squares in only one way, i.e., 18741883801 + 4571247321 = 136901^2 + 67611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23313131093 and 23313131102.

It is not an unprimeable number, because it can be changed into a prime (23313131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828282779 + ... + 5828282782.

Almost surely, 2^23313131122 is an apocalyptic number.

23313131122 is a deficient number, since it is larger than the sum of its proper divisors (11656565564).

23313131122 is a wasteful number, since it uses less digits than its factorization.

23313131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656565563.

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

Adding to 23313131122 its reverse (22113131332), we get a palindrome (45426262454).

The spelling of 23313131122 in words is "twenty-three billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-two".