214551320503 has 4 divisors (see below), whose sum is σ = 231055268248. Its totient is φ = 198047372760.

The previous prime is 214551320483. The next prime is 214551320531. The reversal of 214551320503 is 305023155412.

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 214551320503 - 2⁵ = 214551320471 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 (214551320563) 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, 8251973853 + ... + 8251973878.

It is an arithmetic number, because the mean of its divisors is an integer number (57763817062).

Almost surely, 2^214551320503 is an apocalyptic number.

214551320503 is a deficient number, since it is larger than the sum of its proper divisors (16503947745).

214551320503 is a wasteful number, since it uses less digits than its factorization.

214551320503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503947744.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 214551320503 its reverse (305023155412), we get a palindrome (519574475915).

The spelling of 214551320503 in words is "two hundred fourteen billion, five hundred fifty-one million, three hundred twenty thousand, five hundred three".