115343031 has 4 divisors (see below), whose sum is σ = 153790712. Its totient is φ = 76895352.

The previous prime is 115343017. The next prime is 115343047. The reversal of 115343031 is 130343511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130343511 = 3 ⋅43447837.

It is not a de Polignac number, because 115343031 - 2⁶ = 115342967 is a prime.

It is a super-2 number, since 2×115343031² = 26608029600533922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 115342989 and 115343007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115343231) 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, 19223836 + ... + 19223841.

It is an arithmetic number, because the mean of its divisors is an integer number (38447678).

Almost surely, 2^115343031 is an apocalyptic number.

115343031 is a deficient number, since it is larger than the sum of its proper divisors (38447681).

115343031 is an equidigital number, since it uses as much as digits as its factorization.

115343031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38447680.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 115343031 is about 10739.7872883964. The cubic root of 115343031 is about 486.7774521562. Note that the first 3 decimals are identical.

Adding to 115343031 its reverse (130343511), we get a palindrome (245686542).

The spelling of 115343031 in words is "one hundred fifteen million, three hundred forty-three thousand, thirty-one".