1306316273497 has 8 divisors (see below), whose sum is σ = 1337422772232. Its totient is φ = 1275522403200.

The previous prime is 1306316273371. The next prime is 1306316273513. The reversal of 1306316273497 is 7943726136031.

It can be written as a sum of positive squares in 4 ways, for example, as 2634152976 + 1303682120521 = 51324^2 + 1141789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306316273497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306316223497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78148654 + ... + 78165367.

It is an arithmetic number, because the mean of its divisors is an integer number (167177846529).

Almost surely, 2^{1306316273497} is an apocalyptic number.

It is an amenable number.

1306316273497 is a deficient number, since it is larger than the sum of its proper divisors (31106498735).

1306316273497 is a wasteful number, since it uses less digits than its factorization.

1306316273497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156314219.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 1306316273497 in words is "one trillion, three hundred six billion, three hundred sixteen million, two hundred seventy-three thousand, four hundred ninety-seven".