1312000230403 has 2 divisors, whose sum is σ = 1312000230404. Its totient is φ = 1312000230402.

The previous prime is 1312000230367. The next prime is 1312000230421. The reversal of 1312000230403 is 3040320002131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312000230403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312000230473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656000115201 + 656000115202.

It is an arithmetic number, because the mean of its divisors is an integer number (656000115202).

Almost surely, 2^{1312000230403} is an apocalyptic number.

1312000230403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312000230403 is an equidigital number, since it uses as much as digits as its factorization.

1312000230403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1312000230403 its reverse (3040320002131), we get a palindrome (4352320232534).

The spelling of 1312000230403 in words is "one trillion, three hundred twelve billion, two hundred thirty thousand, four hundred three".