113551442231 has 2 divisors, whose sum is σ = 113551442232. Its totient is φ = 113551442230.

The previous prime is 113551442203. The next prime is 113551442237. The reversal of 113551442231 is 132244155311.

It is a strong prime.

It is an emirp because it is prime and its reverse (132244155311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113551442231 - 2¹⁸ = 113551180087 is a prime.

It is a super-2 number, since 2×113551442231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113551442237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56775721115 + 56775721116.

It is an arithmetic number, because the mean of its divisors is an integer number (56775721116).

Almost surely, 2^113551442231 is an apocalyptic number.

113551442231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113551442231 is an equidigital number, since it uses as much as digits as its factorization.

113551442231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

Adding to 113551442231 its reverse (132244155311), we get a palindrome (245795597542).

The spelling of 113551442231 in words is "one hundred thirteen billion, five hundred fifty-one million, four hundred forty-two thousand, two hundred thirty-one".