221314304031 has 8 divisors (see below), whose sum is σ = 297792947760. Its totient is φ = 146189264832.

The previous prime is 221314304023. The next prime is 221314304059. The reversal of 221314304031 is 130403413122.

It is a happy number.

221314304031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221314304031 - 2³ = 221314304023 is a prime.

It is a super-2 number, since 2×221314304031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221314303992 and 221314304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221314304831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338400750 + ... + 338401403.

It is an arithmetic number, because the mean of its divisors is an integer number (37224118470).

Almost surely, 2^221314304031 is an apocalyptic number.

221314304031 is a deficient number, since it is larger than the sum of its proper divisors (76478643729).

221314304031 is a wasteful number, since it uses less digits than its factorization.

221314304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676802265.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221314304031 its reverse (130403413122), we get a palindrome (351717717153).

The spelling of 221314304031 in words is "two hundred twenty-one billion, three hundred fourteen million, three hundred four thousand, thirty-one".