1316243336631 has 16 divisors (see below), whose sum is σ = 1757823920640. Its totient is φ = 876079491840.

The previous prime is 1316243336549. The next prime is 1316243336633. The reversal of 1316243336631 is 1366333426131.

It is a happy number.

It is not a de Polignac number, because 1316243336631 - 2¹⁴ = 1316243320247 is a prime.

It is a super-2 number, since 2×1316243336631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316243336633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17566276 + ... + 17641046.

It is an arithmetic number, because the mean of its divisors is an integer number (109863995040).

Almost surely, 2^{1316243336631} is an apocalyptic number.

1316243336631 is a deficient number, since it is larger than the sum of its proper divisors (441580584009).

1316243336631 is an equidigital number, since it uses as much as digits as its factorization.

1316243336631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84166.

The product of its digits is 419904, while the sum is 42.

The spelling of 1316243336631 in words is "one trillion, three hundred sixteen billion, two hundred forty-three million, three hundred thirty-six thousand, six hundred thirty-one".