223311302232131 has 2 divisors, whose sum is σ = 223311302232132. Its totient is φ = 223311302232130.

The previous prime is 223311302232121. The next prime is 223311302232157. The reversal of 223311302232131 is 131232203113322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223311302232131 is a prime.

It is a super-2 number, since 2×223311302232131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223311302232094 and 223311302232103.

It is not a weakly prime, because it can be changed into another prime (223311302232101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655651116065 + 111655651116066.

It is an arithmetic number, because the mean of its divisors is an integer number (111655651116066).

Almost surely, 2^{223311302232131} is an apocalyptic number.

223311302232131 is a deficient number, since it is larger than the sum of its proper divisors (1).

223311302232131 is an equidigital number, since it uses as much as digits as its factorization.

223311302232131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 223311302232131 its reverse (131232203113322), we get a palindrome (354543505345453).

The spelling of 223311302232131 in words is "two hundred twenty-three trillion, three hundred eleven billion, three hundred two million, two hundred thirty-two thousand, one hundred thirty-one".