1312303200103 has 4 divisors (see below), whose sum is σ = 1499775085840. Its totient is φ = 1124831314368.

The previous prime is 1312303200067. The next prime is 1312303200137. The reversal of 1312303200103 is 3010023032131.

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 1312303200103 - 2²¹ = 1312301102951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312303200193) 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, 93735942858 + ... + 93735942871.

It is an arithmetic number, because the mean of its divisors is an integer number (374943771460).

Almost surely, 2^{1312303200103} is an apocalyptic number.

1312303200103 is a deficient number, since it is larger than the sum of its proper divisors (187471885737).

1312303200103 is an equidigital number, since it uses as much as digits as its factorization.

1312303200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187471885736.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1312303200103 its reverse (3010023032131), we get a palindrome (4322326232234).

It can be divided in two parts, 131230 and 3200103, that added together give a palindrome (3331333).

The spelling of 1312303200103 in words is "one trillion, three hundred twelve billion, three hundred three million, two hundred thousand, one hundred three".