1113383831 has 16 divisors (see below), whose sum is σ = 1366752000. Its totient is φ = 904095864.

The previous prime is 1113383827. The next prime is 1113383833. The reversal of 1113383831 is 1383833111.

It is not a de Polignac number, because 1113383831 - 2² = 1113383827 is a prime.

It is a super-3 number, since 3×1113383831³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113383833) 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, 78905 + ... + 91938.

It is an arithmetic number, because the mean of its divisors is an integer number (85422000).

Almost surely, 2^1113383831 is an apocalyptic number.

1113383831 is a deficient number, since it is larger than the sum of its proper divisors (253368169).

1113383831 is an equidigital number, since it uses as much as digits as its factorization.

1113383831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170883 (or 170869 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1113383831 is about 33367.4067167348. The cubic root of 1113383831 is about 1036.4498746197.

The spelling of 1113383831 in words is "one billion, one hundred thirteen million, three hundred eighty-three thousand, eight hundred thirty-one".