628131249311 has 2 divisors, whose sum is σ = 628131249312. Its totient is φ = 628131249310.

The previous prime is 628131249301. The next prime is 628131249313. The reversal of 628131249311 is 113942131826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628131249311 - 2¹⁰ = 628131248287 is a prime.

Together with 628131249313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628131249313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314065624655 + 314065624656.

It is an arithmetic number, because the mean of its divisors is an integer number (314065624656).

Almost surely, 2^628131249311 is an apocalyptic number.

628131249311 is a deficient number, since it is larger than the sum of its proper divisors (1).

628131249311 is an equidigital number, since it uses as much as digits as its factorization.

628131249311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The spelling of 628131249311 in words is "six hundred twenty-eight billion, one hundred thirty-one million, two hundred forty-nine thousand, three hundred eleven".