1170116231 has 4 divisors (see below), whose sum is σ = 1201741032. Its totient is φ = 1138491432.

The previous prime is 1170116131. The next prime is 1170116291. The reversal of 1170116231 is 1326110711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1170116231 - 2¹⁰ = 1170115207 is a prime.

It is a super-2 number, since 2×1170116231² = 2738343988099290722, 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 = 1170116197 and 1170116206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170116291) 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 3 ways as a sum of consecutive naturals, for example, 15812345 + ... + 15812418.

It is an arithmetic number, because the mean of its divisors is an integer number (300435258).

Almost surely, 2^1170116231 is an apocalyptic number.

1170116231 is a deficient number, since it is larger than the sum of its proper divisors (31624801).

1170116231 is an equidigital number, since it uses as much as digits as its factorization.

1170116231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624800.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1170116231 is about 34206.9617329572. The cubic root of 1170116231 is about 1053.7631352894.

Adding to 1170116231 its reverse (1326110711), we get a palindrome (2496226942).

The spelling of 1170116231 in words is "one billion, one hundred seventy million, one hundred sixteen thousand, two hundred thirty-one".