231323302311 has 4 divisors (see below), whose sum is σ = 308431069752. Its totient is φ = 154215534872.

The previous prime is 231323302307. The next prime is 231323302367. The reversal of 231323302311 is 113203323132.

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 231323302311 - 2² = 231323302307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323301311) 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, 38553883716 + ... + 38553883721.

It is an arithmetic number, because the mean of its divisors is an integer number (77107767438).

Almost surely, 2^231323302311 is an apocalyptic number.

231323302311 is a deficient number, since it is larger than the sum of its proper divisors (77107767441).

231323302311 is an equidigital number, since it uses as much as digits as its factorization.

231323302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77107767440.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231323302311 its reverse (113203323132), we get a palindrome (344526625443).

The spelling of 231323302311 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred two thousand, three hundred eleven".