115345031 has 2 divisors, whose sum is σ = 115345032. Its totient is φ = 115345030.

The previous prime is 115345007. The next prime is 115345033. The reversal of 115345031 is 130543511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115345031 - 2²² = 111150727 is a prime.

It is a super-2 number, since 2×115345031² = 26608952352781922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 115345033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115344988 and 115345006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115345033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57672515 + 57672516.

It is an arithmetic number, because the mean of its divisors is an integer number (57672516).

Almost surely, 2^115345031 is an apocalyptic number.

115345031 is a deficient number, since it is larger than the sum of its proper divisors (1).

115345031 is an equidigital number, since it uses as much as digits as its factorization.

115345031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 115345031 is about 10739.8803997065. The cubic root of 115345031 is about 486.7802656458.

Adding to 115345031 its reverse (130543511), we get a palindrome (245888542).

The spelling of 115345031 in words is "one hundred fifteen million, three hundred forty-five thousand, thirty-one".