1305430050131 has 4 divisors (see below), whose sum is σ = 1306324794600. Its totient is φ = 1304535305664.

The previous prime is 1305430050091. The next prime is 1305430050143. The reversal of 1305430050131 is 1310500345031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305430050131 is a prime.

It is a super-2 number, since 2×1305430050131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305430050131.

It is not an unprimeable number, because it can be changed into a prime (1305430050181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447370046 + ... + 447372963.

It is an arithmetic number, because the mean of its divisors is an integer number (326581198650).

Almost surely, 2^{1305430050131} is an apocalyptic number.

1305430050131 is a deficient number, since it is larger than the sum of its proper divisors (894744469).

1305430050131 is an equidigital number, since it uses as much as digits as its factorization.

1305430050131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894744468.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1305430050131 its reverse (1310500345031), we get a palindrome (2615930395162).

The spelling of 1305430050131 in words is "one trillion, three hundred five billion, four hundred thirty million, fifty thousand, one hundred thirty-one".