1163394931 has 2 divisors, whose sum is σ = 1163394932. Its totient is φ = 1163394930.

The previous prime is 1163394907. The next prime is 1163394937. The reversal of 1163394931 is 1394933611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163394931 - 2⁵ = 1163394899 is a prime.

It is a super-2 number, since 2×1163394931² = 2706975530952989522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1163394937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581697465 + 581697466.

It is an arithmetic number, because the mean of its divisors is an integer number (581697466).

Almost surely, 2^1163394931 is an apocalyptic number.

1163394931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163394931 is an equidigital number, since it uses as much as digits as its factorization.

1163394931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 40.

The square root of 1163394931 is about 34108.5756225615. The cubic root of 1163394931 is about 1051.7416088083.

The spelling of 1163394931 in words is "one billion, one hundred sixty-three million, three hundred ninety-four thousand, nine hundred thirty-one".