1331113412 has 6 divisors (see below), whose sum is σ = 2329448478. Its totient is φ = 665556704.

The previous prime is 1331113409. The next prime is 1331113439. The reversal of 1331113412 is 2143111331.

It can be written as a sum of positive squares in only one way, i.e., 738969856 + 592143556 = 27184^2 + 24334^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 166389173 + ... + 166389180.

It is an arithmetic number, because the mean of its divisors is an integer number (388241413).

Almost surely, 2^1331113412 is an apocalyptic number.

It is an amenable number.

1331113412 is a deficient number, since it is larger than the sum of its proper divisors (998335066).

1331113412 is a wasteful number, since it uses less digits than its factorization.

1331113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332778357 (or 332778355 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1331113412 is about 36484.4269791921. The cubic root of 1331113412 is about 1100.0312420879.

Adding to 1331113412 its reverse (2143111331), we get a palindrome (3474224743).

The spelling of 1331113412 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, four hundred twelve".