1331113312 has 12 divisors (see below), whose sum is σ = 2620629396. Its totient is φ = 665556640.

The previous prime is 1331113283. The next prime is 1331113349. The reversal of 1331113312 is 2133111331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331113312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20798614 + ... + 20798677.

It is an arithmetic number, because the mean of its divisors is an integer number (218385783).

Almost surely, 2^1331113312 is an apocalyptic number.

It is an amenable number.

1331113312 is a deficient number, since it is larger than the sum of its proper divisors (1289516084).

1331113312 is an equidigital number, since it uses as much as digits as its factorization.

1331113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41597301 (or 41597293 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 1331113312 is about 36484.4256087443. The cubic root of 1331113312 is about 1100.0312145412.

Adding to 1331113312 its reverse (2133111331), we get a palindrome (3464224643).

It can be divided in two parts, 133111331 and 2, that multiplied together give a palindrome (266222662).

The spelling of 1331113312 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, three hundred twelve".