1113311331 has 16 divisors (see below), whose sum is σ = 1799291520. Its totient is φ = 674733960.

The previous prime is 1113311321. The next prime is 1113311347. The reversal of 1113311331 is 1331133111.

1113311331 is a `hidden beast` number, since 1 + 1 + 1 + 331 + 1 + 331 = 666.

It is not a de Polignac number, because 1113311331 - 2⁷ = 1113311203 is a prime.

It is a super-2 number, since 2×1113311331² = 2478924239465983122, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1113311321) 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, 1873965 + ... + 1874558.

It is an arithmetic number, because the mean of its divisors is an integer number (112455720).

Almost surely, 2^1113311331 is an apocalyptic number.

1113311331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113311331 is a deficient number, since it is larger than the sum of its proper divisors (685980189).

1113311331 is a wasteful number, since it uses less digits than its factorization.

1113311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748543 (or 3748537 counting only the distinct ones).

The product of its digits is 81, while the sum is 18.

The square root of 1113311331 is about 33366.3203095577. The cubic root of 1113311331 is about 1036.4273773626.

Adding to 1113311331 its reverse (1331133111), we get a palindrome (2444444442).

It can be divided in two parts, 11 and 13311331, that multiplied together give a palindrome (146424641).

The spelling of 1113311331 in words is "one billion, one hundred thirteen million, three hundred eleven thousand, three hundred thirty-one".