1013131244 has 24 divisors (see below), whose sum is σ = 1821659280. Its totient is φ = 492834816.

The previous prime is 1013131237. The next prime is 1013131253. The reversal of 1013131244 is 4421313101.

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 in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 45020.

It is an arithmetic number, because the mean of its divisors is an integer number (75902470).

Almost surely, 2^1013131244 is an apocalyptic number.

It is an amenable number.

1013131244 is a deficient number, since it is larger than the sum of its proper divisors (808528036).

1013131244 is a wasteful number, since it uses less digits than its factorization.

1013131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417 (or 44415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1013131244 is about 31829.7226503782. The cubic root of 1013131244 is about 1004.3580610468.

Adding to 1013131244 its reverse (4421313101), we get a palindrome (5434444345).

The spelling of 1013131244 in words is "one billion, thirteen million, one hundred thirty-one thousand, two hundred forty-four".