113311131 has 8 divisors (see below), whose sum is σ = 155164944. Its totient is φ = 73499040.

The previous prime is 113311129. The next prime is 113311153. The reversal of 113311131 is 131113311.

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

It is not a de Polignac number, because 113311131 - 2¹ = 113311129 is a prime.

It is a super-2 number, since 2×113311131² = 25678824816998322, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 113311131.

It is not an unprimeable number, because it can be changed into a prime (113311531) 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, 510300 + ... + 510521.

It is an arithmetic number, because the mean of its divisors is an integer number (19395618).

Almost surely, 2^113311131 is an apocalyptic number.

113311131 is a deficient number, since it is larger than the sum of its proper divisors (41853813).

113311131 is a wasteful number, since it uses less digits than its factorization.

113311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020861.

The product of its digits is 27, while the sum is 15.

The square root of 113311131 is about 10644.7701243381. The cubic root of 113311131 is about 483.9021200312.

Adding to 113311131 its reverse (131113311), we get a palindrome (244424442).

The spelling of 113311131 in words is "one hundred thirteen million, three hundred eleven thousand, one hundred thirty-one".