1116103031 has 16 divisors (see below), whose sum is σ = 1175067648. Its totient is φ = 1059122400.

The previous prime is 1116103003. The next prime is 1116103033. The reversal of 1116103031 is 1303016111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116103031 is a prime.

It is a super-2 number, since 2×1116103031² = 2491371951614773922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116103033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200816 + ... + 206298.

It is an arithmetic number, because the mean of its divisors is an integer number (73441728).

Almost surely, 2^1116103031 is an apocalyptic number.

1116103031 is a deficient number, since it is larger than the sum of its proper divisors (58964617).

1116103031 is an equidigital number, since it uses as much as digits as its factorization.

1116103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1116103031 is about 33408.1282175461. The cubic root of 1116103031 is about 1037.2929571080.

Adding to 1116103031 its reverse (1303016111), we get a palindrome (2419119142).

The spelling of 1116103031 in words is "one billion, one hundred sixteen million, one hundred three thousand, thirty-one".