221303114242331 has 16 divisors (see below), whose sum is σ = 246605327566848. Its totient is φ = 196866495062400.

The previous prime is 221303114242289. The next prime is 221303114242411. The reversal of 221303114242331 is 133242411303122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221303114242331 is a prime.

It is a super-2 number, since 2×221303114242331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221303114242031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38193875 + ... + 43604796.

It is an arithmetic number, because the mean of its divisors is an integer number (15412832972928).

Almost surely, 2^{221303114242331} is an apocalyptic number.

221303114242331 is a deficient number, since it is larger than the sum of its proper divisors (25302213324517).

221303114242331 is a wasteful number, since it uses less digits than its factorization.

221303114242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81803962.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 221303114242331 its reverse (133242411303122), we get a palindrome (354545525545453).

The spelling of 221303114242331 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred fourteen million, two hundred forty-two thousand, three hundred thirty-one".