1164533131 has 4 divisors (see below), whose sum is σ = 1176063264. Its totient is φ = 1153003000.

The previous prime is 1164533107. The next prime is 1164533159. The reversal of 1164533131 is 1313354611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313354611 = 101 ⋅13003511.

It is a cyclic number.

It is not a de Polignac number, because 1164533131 - 2¹¹ = 1164531083 is a prime.

It is a super-2 number, since 2×1164533131² = 2712274826393326322, 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 1164533131.

It is not an unprimeable number, because it can be changed into a prime (1164533101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5764915 + ... + 5765116.

It is an arithmetic number, because the mean of its divisors is an integer number (294015816).

Almost surely, 2^1164533131 is an apocalyptic number.

1164533131 is a deficient number, since it is larger than the sum of its proper divisors (11530133).

1164533131 is a wasteful number, since it uses less digits than its factorization.

1164533131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530132.

The product of its digits is 3240, while the sum is 28.

The square root of 1164533131 is about 34125.2564972045. The cubic root of 1164533131 is about 1052.0844852441.

Adding to 1164533131 its reverse (1313354611), we get a palindrome (2477887742).

The spelling of 1164533131 in words is "one billion, one hundred sixty-four million, five hundred thirty-three thousand, one hundred thirty-one".