113135311 has 4 divisors (see below), whose sum is σ = 113275624. Its totient is φ = 112995000.

The previous prime is 113135219. The next prime is 113135383. The reversal of 113135311 is 113531311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113135311 - 2¹⁵ = 113102543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113135411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68940 + ... + 70561.

It is an arithmetic number, because the mean of its divisors is an integer number (28318906).

Almost surely, 2^113135311 is an apocalyptic number.

113135311 is a deficient number, since it is larger than the sum of its proper divisors (140313).

113135311 is an equidigital number, since it uses as much as digits as its factorization.

113135311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140312.

The product of its digits is 135, while the sum is 19.

The square root of 113135311 is about 10636.5084026667. The cubic root of 113135311 is about 483.6517071112.

Adding to 113135311 its reverse (113531311), we get a palindrome (226666622).

It can be divided in two parts, 113 and 135311, that added together give a square (135424 = 368²).

The spelling of 113135311 in words is "one hundred thirteen million, one hundred thirty-five thousand, three hundred eleven".