116531147 has 2 divisors, whose sum is σ = 116531148. Its totient is φ = 116531146.

The previous prime is 116531117. The next prime is 116531159. The reversal of 116531147 is 741135611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (741135611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116531147 - 2¹⁰ = 116530123 is a prime.

It is a super-2 number, since 2×116531147² = 27159016442271218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116531117) 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 as a sum of consecutive naturals, namely, 58265573 + 58265574.

It is an arithmetic number, because the mean of its divisors is an integer number (58265574).

Almost surely, 2^116531147 is an apocalyptic number.

116531147 is a deficient number, since it is larger than the sum of its proper divisors (1).

116531147 is an equidigital number, since it uses as much as digits as its factorization.

116531147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 116531147 is about 10794.9593329479. The cubic root of 116531147 is about 488.4431316538.

Adding to 116531147 its reverse (741135611), we get a palindrome (857666758).

The spelling of 116531147 in words is "one hundred sixteen million, five hundred thirty-one thousand, one hundred forty-seven".