1163434231 has 8 divisors (see below), whose sum is σ = 1214445024. Its totient is φ = 1112459040.

The previous prime is 1163434229. The next prime is 1163434241. The reversal of 1163434231 is 1324343611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163434231 - 2¹ = 1163434229 is a prime.

It is a super-2 number, since 2×1163434231² = 2707158419725122722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163434231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163434211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74701 + ... + 88921.

It is an arithmetic number, because the mean of its divisors is an integer number (151805628).

Almost surely, 2^1163434231 is an apocalyptic number.

1163434231 is a deficient number, since it is larger than the sum of its proper divisors (51010793).

1163434231 is a wasteful number, since it uses less digits than its factorization.

1163434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801.

The product of its digits is 5184, while the sum is 28.

The square root of 1163434231 is about 34109.1517191501. The cubic root of 1163434231 is about 1051.7534514419.

Adding to 1163434231 its reverse (1324343611), we get a palindrome (2487777842).

The spelling of 1163434231 in words is "one billion, one hundred sixty-three million, four hundred thirty-four thousand, two hundred thirty-one".