351217272233 has 16 divisors (see below), whose sum is σ = 361767600000. Its totient is φ = 340723469952.

The previous prime is 351217272179. The next prime is 351217272247. The reversal of 351217272233 is 332272712153.

It is a cyclic number.

It is not a de Polignac number, because 351217272233 - 2¹² = 351217268137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (351211272233) 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, 40839668 + ... + 40848266.

It is an arithmetic number, because the mean of its divisors is an integer number (22610475000).

Almost surely, 2^351217272233 is an apocalyptic number.

It is an amenable number.

351217272233 is a deficient number, since it is larger than the sum of its proper divisors (10550327767).

351217272233 is a wasteful number, since it uses less digits than its factorization.

351217272233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744.

The product of its digits is 105840, while the sum is 38.

Adding to 351217272233 its reverse (332272712153), we get a palindrome (683489984386).

The spelling of 351217272233 in words is "three hundred fifty-one billion, two hundred seventeen million, two hundred seventy-two thousand, two hundred thirty-three".