1013031144 has 64 divisors (see below), whose sum is σ = 2904768000. Its totient is φ = 326782080.

The previous prime is 1013031137. The next prime is 1013031163. The reversal of 1013031144 is 4411303101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68949 + ... + 82340.

It is an arithmetic number, because the mean of its divisors is an integer number (45387000).

Almost surely, 2^1013031144 is an apocalyptic number.

It is an amenable number.

1013031144 is an abundant number, since it is smaller than the sum of its proper divisors (1891736856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013031144 is a wasteful number, since it uses less digits than its factorization.

1013031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151335 (or 151325 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1013031144 is about 31828.1501818752. The cubic root of 1013031144 is about 1004.3249822284.

Adding to 1013031144 its reverse (4411303101), we get a palindrome (5424334245).

The spelling of 1013031144 in words is "one billion, thirteen million, thirty-one thousand, one hundred forty-four".