1306430531023 has 2 divisors, whose sum is σ = 1306430531024. Its totient is φ = 1306430531022.

The previous prime is 1306430530973. The next prime is 1306430531069. The reversal of 1306430531023 is 3201350346031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306430531023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306430501023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653215265511 + 653215265512.

It is an arithmetic number, because the mean of its divisors is an integer number (653215265512).

Almost surely, 2^{1306430531023} is an apocalyptic number.

1306430531023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306430531023 is an equidigital number, since it uses as much as digits as its factorization.

1306430531023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1306430531023 its reverse (3201350346031), we get a palindrome (4507780877054).

The spelling of 1306430531023 in words is "one trillion, three hundred six billion, four hundred thirty million, five hundred thirty-one thousand, twenty-three".