1213416810631 has 2 divisors, whose sum is σ = 1213416810632. Its totient is φ = 1213416810630.

The previous prime is 1213416810629. The next prime is 1213416810659. The reversal of 1213416810631 is 1360186143121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213416810631 - 2¹ = 1213416810629 is a prime.

It is a super-2 number, since 2×1213416810631² (a number of 25 digits) contains 22 as substring.

Together with 1213416810629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213416810691) 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 as a sum of consecutive naturals, namely, 606708405315 + 606708405316.

It is an arithmetic number, because the mean of its divisors is an integer number (606708405316).

Almost surely, 2^{1213416810631} is an apocalyptic number.

1213416810631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213416810631 is an equidigital number, since it uses as much as digits as its factorization.

1213416810631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 1213416810631 in words is "one trillion, two hundred thirteen billion, four hundred sixteen million, eight hundred ten thousand, six hundred thirty-one".