113147222231 has 2 divisors, whose sum is σ = 113147222232. Its totient is φ = 113147222230.

The previous prime is 113147222191. The next prime is 113147222267. The reversal of 113147222231 is 132222741311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113147222231 is a prime.

It is a super-2 number, since 2×113147222231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113147222194 and 113147222203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113147224231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56573611115 + 56573611116.

It is an arithmetic number, because the mean of its divisors is an integer number (56573611116).

Almost surely, 2^113147222231 is an apocalyptic number.

113147222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113147222231 is an equidigital number, since it uses as much as digits as its factorization.

113147222231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

Adding to 113147222231 its reverse (132222741311), we get a palindrome (245369963542).

The spelling of 113147222231 in words is "one hundred thirteen billion, one hundred forty-seven million, two hundred twenty-two thousand, two hundred thirty-one".