1166314531 has 2 divisors, whose sum is σ = 1166314532. Its totient is φ = 1166314530.

The previous prime is 1166314477. The next prime is 1166314543. The reversal of 1166314531 is 1354136611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166314531 is a prime.

It is a super-2 number, since 2×1166314531² = 2720579170443499922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166314493 and 1166314502.

It is not a weakly prime, because it can be changed into another prime (1166317531) 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, 583157265 + 583157266.

It is an arithmetic number, because the mean of its divisors is an integer number (583157266).

Almost surely, 2^1166314531 is an apocalyptic number.

1166314531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166314531 is an equidigital number, since it uses as much as digits as its factorization.

1166314531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 1166314531 is about 34151.3474258337. The cubic root of 1166314531 is about 1052.6206739278.

The spelling of 1166314531 in words is "one billion, one hundred sixty-six million, three hundred fourteen thousand, five hundred thirty-one".