1102113531 has 6 divisors (see below), whose sum is σ = 1591941780. Its totient is φ = 734742348.

The previous prime is 1102113503. The next prime is 1102113647. The reversal of 1102113531 is 1353112011.

1102113531 is a `hidden beast` number, since 110 + 21 + 1 + 3 + 531 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1102113531 is a prime.

It is a super-2 number, since 2×1102113531² = 2429308470426575922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102111531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61228521 + ... + 61228538.

It is an arithmetic number, because the mean of its divisors is an integer number (265323630).

Almost surely, 2^1102113531 is an apocalyptic number.

1102113531 is a deficient number, since it is larger than the sum of its proper divisors (489828249).

1102113531 is a wasteful number, since it uses less digits than its factorization.

1102113531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122457065 (or 122457062 counting only the distinct ones).

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

The square root of 1102113531 is about 33198.0952917483. The cubic root of 1102113531 is about 1032.9408306619.

Adding to 1102113531 its reverse (1353112011), we get a palindrome (2455225542).

The spelling of 1102113531 in words is "one billion, one hundred two million, one hundred thirteen thousand, five hundred thirty-one".