1117382431 has 4 divisors (see below), whose sum is σ = 1218962664. Its totient is φ = 1015802200.

The previous prime is 1117382417. The next prime is 1117382459. The reversal of 1117382431 is 1342837111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117382431 - 2¹³ = 1117374239 is a prime.

It is a super-2 number, since 2×1117382431² = 2497086994214939522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117382393 and 1117382402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117382401) 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 3 ways as a sum of consecutive naturals, for example, 50790100 + ... + 50790121.

It is an arithmetic number, because the mean of its divisors is an integer number (304740666).

Almost surely, 2^1117382431 is an apocalyptic number.

1117382431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1117382431 is a deficient number, since it is larger than the sum of its proper divisors (101580233).

1117382431 is a wasteful number, since it uses less digits than its factorization.

1117382431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101580232.

The product of its digits is 4032, while the sum is 31.

The square root of 1117382431 is about 33427.2707680421. The cubic root of 1117382431 is about 1037.6891588328.

The spelling of 1117382431 in words is "one billion, one hundred seventeen million, three hundred eighty-two thousand, four hundred thirty-one".