320233131255 has 32 divisors (see below), whose sum is σ = 542592670464. Its totient is φ = 160720749056.

The previous prime is 320233131247. The next prime is 320233131259. The reversal of 320233131255 is 552131332023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320233131255 - 2³ = 320233131247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320233131259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1706812 + ... + 1885118.

It is an arithmetic number, because the mean of its divisors is an integer number (16956020952).

Almost surely, 2^320233131255 is an apocalyptic number.

320233131255 is a deficient number, since it is larger than the sum of its proper divisors (222359539209).

320233131255 is a wasteful number, since it uses less digits than its factorization.

320233131255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185375.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 320233131255 its reverse (552131332023), we get a palindrome (872364463278).

The spelling of 320233131255 in words is "three hundred twenty billion, two hundred thirty-three million, one hundred thirty-one thousand, two hundred fifty-five".