1243203104316 has 24 divisors (see below), whose sum is σ = 2900896104960. Its totient is φ = 414388340272.

The previous prime is 1243203104293. The next prime is 1243203104317. The reversal of 1243203104316 is 6134013023421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243203104317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174476 + ... + 1966163.

It is an arithmetic number, because the mean of its divisors is an integer number (120870671040).

Almost surely, 2^{1243203104316} is an apocalyptic number.

It is an amenable number.

1243203104316 is an abundant number, since it is smaller than the sum of its proper divisors (1657693000644).

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

1243203104316 is a wasteful number, since it uses less digits than its factorization.

1243203104316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173633 (or 3173631 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1243203104316 its reverse (6134013023421), we get a palindrome (7377216127737).

The spelling of 1243203104316 in words is "one trillion, two hundred forty-three billion, two hundred three million, one hundred four thousand, three hundred sixteen".