113345331 has 32 divisors (see below), whose sum is σ = 172025856. Its totient is φ = 65760000.

The previous prime is 113345293. The next prime is 113345339. The reversal of 113345331 is 133543311.

It is not a de Polignac number, because 113345331 - 2¹⁷ = 113214259 is a prime.

It is a super-2 number, since 2×113345331² = 25694328118999122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113345339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102775 + ... + 103871.

It is an arithmetic number, because the mean of its divisors is an integer number (5375808).

Almost surely, 2^113345331 is an apocalyptic number.

113345331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113345331 is a deficient number, since it is larger than the sum of its proper divisors (58680525).

113345331 is a wasteful number, since it uses less digits than its factorization.

113345331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243.

The product of its digits is 1620, while the sum is 24.

The square root of 113345331 is about 10646.3764258080. The cubic root of 113345331 is about 483.9507995317.

Adding to 113345331 its reverse (133543311), we get a palindrome (246888642).

It can be divided in two parts, 1133 and 45331, that added together give a palindrome (46464).

The spelling of 113345331 in words is "one hundred thirteen million, three hundred forty-five thousand, three hundred thirty-one".