115443331 has 4 divisors (see below), whose sum is σ = 118259064. Its totient is φ = 112627600.

The previous prime is 115443329. The next prime is 115443337. The reversal of 115443331 is 133344511.

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 115443331 - 2¹ = 115443329 is a prime.

It is a super-2 number, since 2×115443331² = 26654325344751122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115443296 and 115443305.

It is not an unprimeable number, because it can be changed into a prime (115443337) 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, 1407805 + ... + 1407886.

It is an arithmetic number, because the mean of its divisors is an integer number (29564766).

Almost surely, 2^115443331 is an apocalyptic number.

115443331 is a deficient number, since it is larger than the sum of its proper divisors (2815733).

115443331 is an equidigital number, since it uses as much as digits as its factorization.

115443331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815732.

The product of its digits is 2160, while the sum is 25.

The square root of 115443331 is about 10744.4558261459. The cubic root of 115443331 is about 486.9185085997.

Adding to 115443331 its reverse (133344511), we get a palindrome (248787842).

The spelling of 115443331 in words is "one hundred fifteen million, four hundred forty-three thousand, three hundred thirty-one".