1031144442 has 32 divisors (see below), whose sum is σ = 2077470720. Its totient is φ = 341192880.

The previous prime is 1031144423. The next prime is 1031144449. The reversal of 1031144442 is 2444411301.

It is not an unprimeable number, because it can be changed into a prime (1031144449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011409 + ... + 1012427.

It is an arithmetic number, because the mean of its divisors is an integer number (64920960).

Almost surely, 2^1031144442 is an apocalyptic number.

1031144442 is an abundant number, since it is smaller than the sum of its proper divisors (1046326278).

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

1031144442 is a wasteful number, since it uses less digits than its factorization.

1031144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1031144442 is about 32111.4378687719. The cubic root of 1031144442 is about 1010.2755324469.

Adding to 1031144442 its reverse (2444411301), we get a palindrome (3475555743).

The spelling of 1031144442 in words is "one billion, thirty-one million, one hundred forty-four thousand, four hundred forty-two".