1113160531 has 4 divisors (see below), whose sum is σ = 1272183472. Its totient is φ = 954137592.

The previous prime is 1113160501. The next prime is 1113160547. The reversal of 1113160531 is 1350613111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113160531 - 2⁹ = 1113160019 is a prime.

It is a super-2 number, since 2×1113160531² = 2478252735552403922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113160501) 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, 79511460 + ... + 79511473.

It is an arithmetic number, because the mean of its divisors is an integer number (318045868).

Almost surely, 2^1113160531 is an apocalyptic number.

1113160531 is a deficient number, since it is larger than the sum of its proper divisors (159022941).

1113160531 is an equidigital number, since it uses as much as digits as its factorization.

1113160531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159022940.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1113160531 is about 33364.0604693134. The cubic root of 1113160531 is about 1036.3805799390.

Adding to 1113160531 its reverse (1350613111), we get a palindrome (2463773642).

The spelling of 1113160531 in words is "one billion, one hundred thirteen million, one hundred sixty thousand, five hundred thirty-one".