211431645353063 has 8 divisors (see below), whose sum is σ = 211518546855168. Its totient is φ = 211344760283904.

The previous prime is 211431645353059. The next prime is 211431645353077. The reversal of 211431645353063 is 360353546134112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211431645353063 - 2² = 211431645353059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211431645352999 and 211431645353017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211431645353053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21662906 + ... + 29868792.

It is an arithmetic number, because the mean of its divisors is an integer number (26439818356896).

Almost surely, 2^{211431645353063} is an apocalyptic number.

211431645353063 is a deficient number, since it is larger than the sum of its proper divisors (86901502105).

211431645353063 is an equidigital number, since it uses as much as digits as its factorization.

211431645353063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216473.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 211431645353063 in words is "two hundred eleven trillion, four hundred thirty-one billion, six hundred forty-five million, three hundred fifty-three thousand, sixty-three".