223312211310131 has 2 divisors, whose sum is σ = 223312211310132. Its totient is φ = 223312211310130.

The previous prime is 223312211310109. The next prime is 223312211310179. The reversal of 223312211310131 is 131013112213322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223312211310131 is a prime.

It is a super-2 number, since 2×223312211310131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223312211310131.

It is not a weakly prime, because it can be changed into another prime (223312211310191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111656105655065 + 111656105655066.

It is an arithmetic number, because the mean of its divisors is an integer number (111656105655066).

Almost surely, 2^{223312211310131} is an apocalyptic number.

223312211310131 is a deficient number, since it is larger than the sum of its proper divisors (1).

223312211310131 is an equidigital number, since it uses as much as digits as its factorization.

223312211310131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 223312211310131 its reverse (131013112213322), we get a palindrome (354325323523453).

The spelling of 223312211310131 in words is "two hundred twenty-three trillion, three hundred twelve billion, two hundred eleven million, three hundred ten thousand, one hundred thirty-one".