23131311122222 has 8 divisors (see below), whose sum is σ = 34711980522672. Its totient is φ = 11560650948000.

The previous prime is 23131311122209. The next prime is 23131311122233. The reversal of 23131311122222 is 22222111313132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23131311122191 and 23131311122200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502300779 + ... + 2502310022.

It is an arithmetic number, because the mean of its divisors is an integer number (4338997565334).

Almost surely, 2^{23131311122222} is an apocalyptic number.

23131311122222 is a deficient number, since it is larger than the sum of its proper divisors (11580669400450).

23131311122222 is a wasteful number, since it uses less digits than its factorization.

23131311122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004613114.

The product of its digits is 1728, while the sum is 26.

Adding to 23131311122222 its reverse (22222111313132), we get a palindrome (45353422435354).

The spelling of 23131311122222 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".