1140130231 has 2 divisors, whose sum is σ = 1140130232. Its totient is φ = 1140130230.

The previous prime is 1140130193. The next prime is 1140130241. The reversal of 1140130231 is 1320310411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140130231 - 2²¹ = 1138033079 is a prime.

It is a super-2 number, since 2×1140130231² = 2599793887280226722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140130241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570065115 + 570065116.

It is an arithmetic number, because the mean of its divisors is an integer number (570065116).

Almost surely, 2^1140130231 is an apocalyptic number.

1140130231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140130231 is an equidigital number, since it uses as much as digits as its factorization.

1140130231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1140130231 is about 33765.8145318605. The cubic root of 1140130231 is about 1044.6837045542.

Adding to 1140130231 its reverse (1320310411), we get a palindrome (2460440642).

The spelling of 1140130231 in words is "one billion, one hundred forty million, one hundred thirty thousand, two hundred thirty-one".