113531355 has 128 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 47278080.

The previous prime is 113531351. The next prime is 113531357. The reversal of 113531355 is 553135311.

It is not a de Polignac number, because 113531355 - 2² = 113531351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (113531351) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 594310 + ... + 594500.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^113531355 is an apocalyptic number.

113531355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113531355 is an abundant number, since it is smaller than the sum of its proper divisors (138618405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113531355 is a wasteful number, since it uses less digits than its factorization.

113531355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its digits is 3375, while the sum is 27.

The square root of 113531355 is about 10655.1093377778. The cubic root of 113531355 is about 484.2154105121.

Adding to 113531355 its reverse (553135311), we get a palindrome (666666666).

The spelling of 113531355 in words is "one hundred thirteen million, five hundred thirty-one thousand, three hundred fifty-five".