320134210231 has 4 divisors (see below), whose sum is σ = 349237320264. Its totient is φ = 291031100200.

The previous prime is 320134210223. The next prime is 320134210243. The reversal of 320134210231 is 132012431023.

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 320134210231 - 2³ = 320134210223 is a prime.

It is a super-2 number, since 2×320134210231² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134210931) 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, 14551555000 + ... + 14551555021.

It is an arithmetic number, because the mean of its divisors is an integer number (87309330066).

Almost surely, 2^320134210231 is an apocalyptic number.

320134210231 is a deficient number, since it is larger than the sum of its proper divisors (29103110033).

320134210231 is a wasteful number, since it uses less digits than its factorization.

320134210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29103110032.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320134210231 its reverse (132012431023), we get a palindrome (452146641254).

The spelling of 320134210231 in words is "three hundred twenty billion, one hundred thirty-four million, two hundred ten thousand, two hundred thirty-one".