1153430231 has 2 divisors, whose sum is σ = 1153430232. Its totient is φ = 1153430230.

The previous prime is 1153430203. The next prime is 1153430249. The reversal of 1153430231 is 1320343511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1153430231 - 2¹⁴ = 1153413847 is a prime.

It is a super-4 number, since 4×1153430231⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1153430197 and 1153430206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153430251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576715115 + 576715116.

It is an arithmetic number, because the mean of its divisors is an integer number (576715116).

Almost surely, 2^1153430231 is an apocalyptic number.

1153430231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153430231 is an equidigital number, since it uses as much as digits as its factorization.

1153430231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1153430231 is about 33962.1882539980. The cubic root of 1153430231 is about 1048.7302053076.

Adding to 1153430231 its reverse (1320343511), we get a palindrome (2473773742).

The spelling of 1153430231 in words is "one billion, one hundred fifty-three million, four hundred thirty thousand, two hundred thirty-one".