113552311231 has 8 divisors (see below), whose sum is σ = 117480531600. Its totient is φ = 109624932480.

The previous prime is 113552311199. The next prime is 113552311399. The reversal of 113552311231 is 132113255311.

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

It is a cyclic number.

It is not a de Polignac number, because 113552311231 - 2⁵ = 113552311199 is a prime.

It is a super-2 number, since 2×113552311231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113552311231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113555311231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70480 + ... + 481738.

It is an arithmetic number, because the mean of its divisors is an integer number (14685066450).

Almost surely, 2^113552311231 is an apocalyptic number.

113552311231 is a deficient number, since it is larger than the sum of its proper divisors (3928220369).

113552311231 is an equidigital number, since it uses as much as digits as its factorization.

113552311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420809.

The product of its digits is 2700, while the sum is 28.

Adding to 113552311231 its reverse (132113255311), we get a palindrome (245665566542).

The spelling of 113552311231 in words is "one hundred thirteen billion, five hundred fifty-two million, three hundred eleven thousand, two hundred thirty-one".