1306236630131 has 4 divisors (see below), whose sum is σ = 1306331788200. Its totient is φ = 1306141472064.

The previous prime is 1306236630119. The next prime is 1306236630133. The reversal of 1306236630131 is 1310366326031.

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-1306236630131 is a prime.

It is a super-2 number, since 2×1306236630131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1306236630091 and 1306236630100.

It is not an unprimeable number, because it can be changed into a prime (1306236630133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47558441 + ... + 47585898.

It is an arithmetic number, because the mean of its divisors is an integer number (326582947050).

Almost surely, 2^{1306236630131} is an apocalyptic number.

1306236630131 is a deficient number, since it is larger than the sum of its proper divisors (95158069).

1306236630131 is an equidigital number, since it uses as much as digits as its factorization.

1306236630131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95158068.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 1306236630131 in words is "one trillion, three hundred six billion, two hundred thirty-six million, six hundred thirty thousand, one hundred thirty-one".