10031443042 has 4 divisors (see below), whose sum is σ = 15047164566. Its totient is φ = 5015721520.

The previous prime is 10031442877. The next prime is 10031443049. The reversal of 10031443042 is 24034413001.

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., 7267733001 + 2763710041 = 85251^2 + 52571^2 .

It is not an unprimeable number, because it can be changed into a prime (10031443049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507860759 + ... + 2507860762.

Almost surely, 2^10031443042 is an apocalyptic number.

10031443042 is a deficient number, since it is larger than the sum of its proper divisors (5015721524).

10031443042 is an equidigital number, since it uses as much as digits as its factorization.

10031443042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015721523.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10031443042 its reverse (24034413001), we get a palindrome (34065856043).

The spelling of 10031443042 in words is "ten billion, thirty-one million, four hundred forty-three thousand, forty-two".