1306340366531 has 4 divisors (see below), whose sum is σ = 1311307440432. Its totient is φ = 1301373292632.

The previous prime is 1306340366491. The next prime is 1306340366533. The reversal of 1306340366531 is 1356630436031.

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

It is a cyclic number.

It is not a de Polignac number, because 1306340366531 - 2¹⁸ = 1306340104387 is a prime.

It is a super-2 number, since 2×1306340366531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306340366533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483536556 + ... + 2483537081.

It is an arithmetic number, because the mean of its divisors is an integer number (327826860108).

Almost surely, 2^{1306340366531} is an apocalyptic number.

1306340366531 is a deficient number, since it is larger than the sum of its proper divisors (4967073901).

1306340366531 is an equidigital number, since it uses as much as digits as its factorization.

1306340366531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967073900.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 1306340366531 in words is "one trillion, three hundred six billion, three hundred forty million, three hundred sixty-six thousand, five hundred thirty-one".