1031444442 has 80 divisors (see below), whose sum is σ = 2650190400. Its totient is φ = 293715072.

The previous prime is 1031444441. The next prime is 1031444443. The reversal of 1031444442 is 2444441301.

It is an interprime number because it is at equal distance from previous prime (1031444441) and next prime (1031444443).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1031444441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 380809 + ... + 383507.

It is an arithmetic number, because the mean of its divisors is an integer number (33127380).

Almost surely, 2^1031444442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031444442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325095200).

1031444442 is an abundant number, since it is smaller than the sum of its proper divisors (1618745958).

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

1031444442 is a wasteful number, since it uses less digits than its factorization.

1031444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1031444442 is about 32116.1087618036. The cubic root of 1031444442 is about 1010.3734990877.

Adding to 1031444442 its reverse (2444441301), we get a palindrome (3475885743).

It can be divided in two parts, 10314 and 44442, that added together give a square (54756 = 234²).

The spelling of 1031444442 in words is "one billion, thirty-one million, four hundred forty-four thousand, four hundred forty-two".