1031420244 has 96 divisors (see below), whose sum is σ = 2590963200. Its totient is φ = 318384000.

The previous prime is 1031420237. The next prime is 1031420249. The reversal of 1031420244 is 4420241301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031420244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031420249) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3834142 + ... + 3834410.

It is an arithmetic number, because the mean of its divisors is an integer number (26989200).

Almost surely, 2^1031420244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031420244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295481600).

1031420244 is an abundant number, since it is smaller than the sum of its proper divisors (1559542956).

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

1031420244 is a wasteful number, since it uses less digits than its factorization.

1031420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1031420244 is about 32115.7320327593. The cubic root of 1031420244 is about 1010.3655978028.

Adding to 1031420244 its reverse (4420241301), we get a palindrome (5451661545).

The spelling of 1031420244 in words is "one billion, thirty-one million, four hundred twenty thousand, two hundred forty-four".