1164240231 has 64 divisors (see below), whose sum is σ = 1974067200. Its totient is φ = 592848000.

The previous prime is 1164240229. The next prime is 1164240263. The reversal of 1164240231 is 1320424611.

It is not a de Polignac number, because 1164240231 - 2¹ = 1164240229 is a prime.

It is a super-2 number, since 2×1164240231² = 2710910630957866722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164240221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3242830 + ... + 3243188.

It is an arithmetic number, because the mean of its divisors is an integer number (30844800).

Almost surely, 2^1164240231 is an apocalyptic number.

1164240231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1164240231 is a deficient number, since it is larger than the sum of its proper divisors (809826969).

1164240231 is a wasteful number, since it uses less digits than its factorization.

1164240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1164240231 is about 34120.9646844869. The cubic root of 1164240231 is about 1051.9962721005.

Adding to 1164240231 its reverse (1320424611), we get a palindrome (2484664842).

The spelling of 1164240231 in words is "one billion, one hundred sixty-four million, two hundred forty thousand, two hundred thirty-one".