211316401903 has 8 divisors (see below), whose sum is σ = 218613736656. Its totient is φ = 204121128000.

The previous prime is 211316401889. The next prime is 211316401909. The reversal of 211316401903 is 309104613112.

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 211316401903 - 2²⁵ = 211282847471 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 (211316401909) 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, 25511001 + ... + 25519282.

It is an arithmetic number, because the mean of its divisors is an integer number (27326717082).

Almost surely, 2^211316401903 is an apocalyptic number.

211316401903 is a deficient number, since it is larger than the sum of its proper divisors (7297334753).

211316401903 is a wasteful number, since it uses less digits than its factorization.

211316401903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51030425.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 211316401903 in words is "two hundred eleven billion, three hundred sixteen million, four hundred one thousand, nine hundred three".