1345310405203 has 4 divisors (see below), whose sum is σ = 1345312879120. Its totient is φ = 1345307931288.

The previous prime is 1345310405189. The next prime is 1345310405237. The reversal of 1345310405203 is 3025040135431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345310405203 - 2¹⁷ = 1345310274131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345310405293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26268 + ... + 1640521.

It is an arithmetic number, because the mean of its divisors is an integer number (336328219780).

Almost surely, 2^{1345310405203} is an apocalyptic number.

1345310405203 is a deficient number, since it is larger than the sum of its proper divisors (2473917).

1345310405203 is an equidigital number, since it uses as much as digits as its factorization.

1345310405203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473916.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 1345310405203 in words is "one trillion, three hundred forty-five billion, three hundred ten million, four hundred five thousand, two hundred three".