63401730311 has 2 divisors, whose sum is σ = 63401730312. Its totient is φ = 63401730310.

The previous prime is 63401730283. The next prime is 63401730313. The reversal of 63401730311 is 11303710436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63401730311 is a prime.

Together with 63401730313, 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 (63401730313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31700865155 + 31700865156.

It is an arithmetic number, because the mean of its divisors is an integer number (31700865156).

Almost surely, 2^63401730311 is an apocalyptic number.

63401730311 is a deficient number, since it is larger than the sum of its proper divisors (1).

63401730311 is an equidigital number, since it uses as much as digits as its factorization.

63401730311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 63401730311 in words is "sixty-three billion, four hundred one million, seven hundred thirty thousand, three hundred eleven".