1431304123013 has 2 divisors, whose sum is σ = 1431304123014. Its totient is φ = 1431304123012.

The previous prime is 1431304122979. The next prime is 1431304123091. The reversal of 1431304123013 is 3103214031341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1386664039489 + 44640083524 = 1177567^2 + 211282^2 .

It is an emirp because it is prime and its reverse (3103214031341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431304123013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431304143013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715652061506 + 715652061507.

It is an arithmetic number, because the mean of its divisors is an integer number (715652061507).

Almost surely, 2^{1431304123013} is an apocalyptic number.

It is an amenable number.

1431304123013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431304123013 is an equidigital number, since it uses as much as digits as its factorization.

1431304123013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1431304123013 its reverse (3103214031341), we get a palindrome (4534518154354).

The spelling of 1431304123013 in words is "one trillion, four hundred thirty-one billion, three hundred four million, one hundred twenty-three thousand, thirteen".