1331044113 has 32 divisors (see below), whose sum is σ = 2062319616. Its totient is φ = 747888768.

The previous prime is 1331044111. The next prime is 1331044139. The reversal of 1331044113 is 3114401331.

It is not a de Polignac number, because 1331044113 - 2¹ = 1331044111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331044113.

It is not an unprimeable number, because it can be changed into a prime (1331044111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586006 + ... + 588272.

It is an arithmetic number, because the mean of its divisors is an integer number (64447488).

Almost surely, 2^1331044113 is an apocalyptic number.

It is an amenable number.

1331044113 is a deficient number, since it is larger than the sum of its proper divisors (731275503).

1331044113 is a wasteful number, since it uses less digits than its factorization.

1331044113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1331044113 is about 36483.4772602613. The cubic root of 1331044113 is about 1100.0121522073.

Adding to 1331044113 its reverse (3114401331), we get a palindrome (4445445444).

The spelling of 1331044113 in words is "one billion, three hundred thirty-one million, forty-four thousand, one hundred thirteen".