1043031120442 has 4 divisors (see below), whose sum is σ = 1564546680666. Its totient is φ = 521515560220.

The previous prime is 1043031120409. The next prime is 1043031120463. The reversal of 1043031120442 is 2440211303401.

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., 744839767681 + 298191352761 = 863041^2 + 546069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260757780109 + ... + 260757780112.

Almost surely, 2^{1043031120442} is an apocalyptic number.

1043031120442 is a deficient number, since it is larger than the sum of its proper divisors (521515560224).

1043031120442 is an equidigital number, since it uses as much as digits as its factorization.

1043031120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521515560223.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1043031120442 its reverse (2440211303401), we get a palindrome (3483242423843).

The spelling of 1043031120442 in words is "one trillion, forty-three billion, thirty-one million, one hundred twenty thousand, four hundred forty-two".