272221031503 has 4 divisors (see below), whose sum is σ = 274364504320. Its totient is φ = 270077558688.

The previous prime is 272221031497. The next prime is 272221031581. The reversal of 272221031503 is 305130122272.

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 272221031503 - 2¹³ = 272221023311 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 (272221037503) 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, 1071736218 + ... + 1071736471.

It is an arithmetic number, because the mean of its divisors is an integer number (68591126080).

Almost surely, 2^272221031503 is an apocalyptic number.

272221031503 is a deficient number, since it is larger than the sum of its proper divisors (2143472817).

272221031503 is a wasteful number, since it uses less digits than its factorization.

272221031503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143472816.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 272221031503 its reverse (305130122272), we get a palindrome (577351153775).

The spelling of 272221031503 in words is "two hundred seventy-two billion, two hundred twenty-one million, thirty-one thousand, five hundred three".