1117656331 has 8 divisors (see below), whose sum is σ = 1223160624. Its totient is φ = 1012801920.

The previous prime is 1117656329. The next prime is 1117656341. The reversal of 1117656331 is 1336567111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1117656331 - 2¹ = 1117656329 is a prime.

It is a super-2 number, since 2×1117656331² = 2498311348448763122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117656341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158866 + ... + 165751.

It is an arithmetic number, because the mean of its divisors is an integer number (152895078).

Almost surely, 2^1117656331 is an apocalyptic number.

1117656331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1117656331 is a deficient number, since it is larger than the sum of its proper divisors (105504293).

1117656331 is a wasteful number, since it uses less digits than its factorization.

1117656331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324941.

The product of its digits is 11340, while the sum is 34.

The square root of 1117656331 is about 33431.3674712836. The cubic root of 1117656331 is about 1037.7739402626.

The spelling of 1117656331 in words is "one billion, one hundred seventeen million, six hundred fifty-six thousand, three hundred thirty-one".