1042043502313 has 16 divisors (see below), whose sum is σ = 1192410243072. Its totient is φ = 901380634000.

The previous prime is 1042043502307. The next prime is 1042043502323. The reversal of 1042043502313 is 3132053402401.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1042043502313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042043502323) 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, 10733743 + ... + 10830388.

It is an arithmetic number, because the mean of its divisors is an integer number (74525640192).

Almost surely, 2^{1042043502313} is an apocalyptic number.

It is an amenable number.

1042043502313 is a deficient number, since it is larger than the sum of its proper divisors (150366740759).

1042043502313 is a wasteful number, since it uses less digits than its factorization.

1042043502313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21564356.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1042043502313 its reverse (3132053402401), we get a palindrome (4174096904714).

The spelling of 1042043502313 in words is "one trillion, forty-two billion, forty-three million, five hundred two thousand, three hundred thirteen".