1113102531 has 6 divisors (see below), whose sum is σ = 1607814780. Its totient is φ = 742068348.

The previous prime is 1113102491. The next prime is 1113102547. The reversal of 1113102531 is 1352013111.

1113102531 is a `hidden beast` number, since 1 + 1 + 131 + 0 + 2 + 531 = 666.

It is not a de Polignac number, because 1113102531 - 2¹⁴ = 1113086147 is a prime.

It is a super-2 number, since 2×1113102531² = 2477994489037211922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113102581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61839021 + ... + 61839038.

It is an arithmetic number, because the mean of its divisors is an integer number (267969130).

Almost surely, 2^1113102531 is an apocalyptic number.

1113102531 is a deficient number, since it is larger than the sum of its proper divisors (494712249).

1113102531 is a wasteful number, since it uses less digits than its factorization.

1113102531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123678065 (or 123678062 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1113102531 is about 33363.1912592306. The cubic root of 1113102531 is about 1036.3625798046.

Adding to 1113102531 its reverse (1352013111), we get a palindrome (2465115642).

The spelling of 1113102531 in words is "one billion, one hundred thirteen million, one hundred two thousand, five hundred thirty-one".