116542631 has 2 divisors, whose sum is σ = 116542632. Its totient is φ = 116542630.

The previous prime is 116542627. The next prime is 116542649. The reversal of 116542631 is 136245611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116542631 - 2² = 116542627 is a prime.

It is a super-2 number, since 2×116542631² = 27164369680804322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 116542594 and 116542603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116542331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58271315 + 58271316.

It is an arithmetic number, because the mean of its divisors is an integer number (58271316).

Almost surely, 2^116542631 is an apocalyptic number.

116542631 is a deficient number, since it is larger than the sum of its proper divisors (1).

116542631 is an equidigital number, since it uses as much as digits as its factorization.

116542631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 116542631 is about 10795.4912347702. The cubic root of 116542631 is about 488.4591762816.

The spelling of 116542631 in words is "one hundred sixteen million, five hundred forty-two thousand, six hundred thirty-one".