231222331203311 has 8 divisors (see below), whose sum is σ = 267437877055104. Its totient is φ = 195802731414360.

The previous prime is 231222331203307. The next prime is 231222331203329. The reversal of 231222331203311 is 113302133222132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231222331203311 - 2² = 231222331203307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231222331203341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198986515085 + ... + 198986516246.

It is an arithmetic number, because the mean of its divisors is an integer number (33429734631888).

Almost surely, 2^{231222331203311} is an apocalyptic number.

231222331203311 is a deficient number, since it is larger than the sum of its proper divisors (36215545851793).

231222331203311 is an equidigital number, since it uses as much as digits as its factorization.

231222331203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397973031421.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 231222331203311 its reverse (113302133222132), we get a palindrome (344524464425443).

The spelling of 231222331203311 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-one million, two hundred three thousand, three hundred eleven".