1171033370231 has 2 divisors, whose sum is σ = 1171033370232. Its totient is φ = 1171033370230.

The previous prime is 1171033370219. The next prime is 1171033370233. The reversal of 1171033370231 is 1320733301711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171033370231 - 2⁶ = 1171033370167 is a prime.

It is a super-2 number, since 2×1171033370231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 1171033370233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171033370233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585516685115 + 585516685116.

It is an arithmetic number, because the mean of its divisors is an integer number (585516685116).

Almost surely, 2^{1171033370231} is an apocalyptic number.

1171033370231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171033370231 is an equidigital number, since it uses as much as digits as its factorization.

1171033370231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

Adding to 1171033370231 its reverse (1320733301711), we get a palindrome (2491766671942).

The spelling of 1171033370231 in words is "one trillion, one hundred seventy-one billion, thirty-three million, three hundred seventy thousand, two hundred thirty-one".