1164230531 has 4 divisors (see below), whose sum is σ = 1164758832. Its totient is φ = 1163702232.

The previous prime is 1164230503. The next prime is 1164230581. The reversal of 1164230531 is 1350324611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164230531 is a prime.

It is a super-2 number, since 2×1164230531² = 2710865458625083922, 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 1164230531.

It is not an unprimeable number, because it can be changed into a prime (1164230581) 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, 260831 + ... + 265256.

It is an arithmetic number, because the mean of its divisors is an integer number (291189708).

Almost surely, 2^1164230531 is an apocalyptic number.

1164230531 is a deficient number, since it is larger than the sum of its proper divisors (528301).

1164230531 is an equidigital number, since it uses as much as digits as its factorization.

1164230531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528300.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1164230531 is about 34120.8225428403. The cubic root of 1164230531 is about 1051.9933504835.

The spelling of 1164230531 in words is "one billion, one hundred sixty-four million, two hundred thirty thousand, five hundred thirty-one".