115263131 has 8 divisors (see below), whose sum is σ = 117240864. Its totient is φ = 113296320.

The previous prime is 115263121. The next prime is 115263149. The reversal of 115263131 is 131362511.

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

It is a cyclic number.

It is not a de Polignac number, because 115263131 - 2⁶ = 115263067 is a prime.

It is a super-2 number, since 2×115263131² = 26571178735846322, 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 = 115263097 and 115263106.

It is not an unprimeable number, because it can be changed into a prime (115263121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20165 + ... + 25241.

It is an arithmetic number, because the mean of its divisors is an integer number (14655108).

Almost surely, 2^115263131 is an apocalyptic number.

115263131 is a deficient number, since it is larger than the sum of its proper divisors (1977733).

115263131 is an equidigital number, since it uses as much as digits as its factorization.

115263131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461.

The product of its digits is 540, while the sum is 23.

The square root of 115263131 is about 10736.0668310140. The cubic root of 115263131 is about 486.6650266307.

The spelling of 115263131 in words is "one hundred fifteen million, two hundred sixty-three thousand, one hundred thirty-one".