2631345123247 has 4 divisors (see below), whose sum is σ = 2631878112816. Its totient is φ = 2630812133680.

The previous prime is 2631345123181. The next prime is 2631345123271. The reversal of 2631345123247 is 7423215431362.

2631345123247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2631345123247 - 2¹¹ = 2631345121199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631345123287) 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, 266487379 + ... + 266497252.

It is an arithmetic number, because the mean of its divisors is an integer number (657969528204).

Almost surely, 2^{2631345123247} is an apocalyptic number.

2631345123247 is a deficient number, since it is larger than the sum of its proper divisors (532989569).

2631345123247 is an equidigital number, since it uses as much as digits as its factorization.

2631345123247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532989568.

The product of its digits is 725760, while the sum is 43.

The spelling of 2631345123247 in words is "two trillion, six hundred thirty-one billion, three hundred forty-five million, one hundred twenty-three thousand, two hundred forty-seven".