1140053231 has 2 divisors, whose sum is σ = 1140053232. Its totient is φ = 1140053230.

The previous prime is 1140053207. The next prime is 1140053237. The reversal of 1140053231 is 1323500411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140053231 is a prime.

It is a super-2 number, since 2×1140053231² = 2599442739027078722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140053237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570026615 + 570026616.

It is an arithmetic number, because the mean of its divisors is an integer number (570026616).

Almost surely, 2^1140053231 is an apocalyptic number.

1140053231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140053231 is an equidigital number, since it uses as much as digits as its factorization.

1140053231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1140053231 is about 33764.6743061443. The cubic root of 1140053231 is about 1044.6601860549.

Adding to 1140053231 its reverse (1323500411), we get a palindrome (2463553642).

The spelling of 1140053231 in words is "one billion, one hundred forty million, fifty-three thousand, two hundred thirty-one".