1031140444 has 12 divisors (see below), whose sum is σ = 1806044968. Its totient is φ = 515127600.

The previous prime is 1031140441. The next prime is 1031140477. The reversal of 1031140444 is 4440411301.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031140441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105387 + ... + 114754.

Almost surely, 2^1031140444 is an apocalyptic number.

It is an amenable number.

1031140444 is a deficient number, since it is larger than the sum of its proper divisors (774904524).

1031140444 is a wasteful number, since it uses less digits than its factorization.

1031140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221316 (or 221314 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1031140444 is about 32111.3756167499. The cubic root of 1031140444 is about 1010.2742267498.

Adding to 1031140444 its reverse (4440411301), we get a palindrome (5471551745).

The spelling of 1031140444 in words is "one billion, thirty-one million, one hundred forty thousand, four hundred forty-four".