136631345311 has 2 divisors, whose sum is σ = 136631345312. Its totient is φ = 136631345310.

The previous prime is 136631345309. The next prime is 136631345353. The reversal of 136631345311 is 113543136631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136631345311 - 2¹ = 136631345309 is a prime.

Together with 136631345309, 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 (136631346311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68315672655 + 68315672656.

It is an arithmetic number, because the mean of its divisors is an integer number (68315672656).

Almost surely, 2^136631345311 is an apocalyptic number.

136631345311 is a deficient number, since it is larger than the sum of its proper divisors (1).

136631345311 is an equidigital number, since it uses as much as digits as its factorization.

136631345311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The spelling of 136631345311 in words is "one hundred thirty-six billion, six hundred thirty-one million, three hundred forty-five thousand, three hundred eleven".