1131113102 has 16 divisors (see below), whose sum is σ = 1941873792. Its totient is φ = 484057080.

The previous prime is 1131113099. The next prime is 1131113107. The reversal of 1131113102 is 2013111311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131113107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48788 + ... + 68135.

It is an arithmetic number, because the mean of its divisors is an integer number (121367112).

Almost surely, 2^1131113102 is an apocalyptic number.

1131113102 is a deficient number, since it is larger than the sum of its proper divisors (810760690).

1131113102 is a wasteful number, since it uses less digits than its factorization.

1131113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117623.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1131113102 is about 33632.0249464703. The cubic root of 1131113102 is about 1041.9223266262.

Adding to 1131113102 its reverse (2013111311), we get a palindrome (3144224413).

The spelling of 1131113102 in words is "one billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred two".