1031442442 has 4 divisors (see below), whose sum is σ = 1547163666. Its totient is φ = 515721220.

The previous prime is 1031442439. The next prime is 1031442457. The reversal of 1031442442 is 2442441301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1028549041 + 2893401 = 32071^2 + 1701^2 .

It is a super-2 number, since 2×1031442442² = 2127747022317846728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257860609 + ... + 257860612.

Almost surely, 2^1031442442 is an apocalyptic number.

1031442442 is a deficient number, since it is larger than the sum of its proper divisors (515721224).

1031442442 is an equidigital number, since it uses as much as digits as its factorization.

1031442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515721223.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1031442442 is about 32116.0776247661. The cubic root of 1031442442 is about 1010.3728460397.

Adding to 1031442442 its reverse (2442441301), we get a palindrome (3473883743).

The spelling of 1031442442 in words is "one billion, thirty-one million, four hundred forty-two thousand, four hundred forty-two".