229618313231 has 8 divisors (see below), whose sum is σ = 231177984384. Its totient is φ = 228059155800.

The previous prime is 229618313227. The next prime is 229618313257. The reversal of 229618313231 is 132313816922.

229618313231 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 a cyclic number.

It is not a de Polignac number, because 229618313231 - 2² = 229618313227 is a prime.

It is a super-2 number, since 2×229618313231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229618313131) 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, 790796 + ... + 1041438.

It is an arithmetic number, because the mean of its divisors is an integer number (28897248048).

Almost surely, 2^229618313231 is an apocalyptic number.

229618313231 is a deficient number, since it is larger than the sum of its proper divisors (1559671153).

229618313231 is a wasteful number, since it uses less digits than its factorization.

229618313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256861.

The product of its digits is 93312, while the sum is 41.

The spelling of 229618313231 in words is "two hundred twenty-nine billion, six hundred eighteen million, three hundred thirteen thousand, two hundred thirty-one".