231114311205 has 32 divisors (see below), whose sum is σ = 374080218624. Its totient is φ = 121831827456.

The previous prime is 231114311167. The next prime is 231114311227. The reversal of 231114311205 is 502113411132.

It is not a de Polignac number, because 231114311205 - 2¹¹ = 231114309157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021972 + ... + 1227458.

It is an arithmetic number, because the mean of its divisors is an integer number (11690006832).

Almost surely, 2^231114311205 is an apocalyptic number.

It is an amenable number.

231114311205 is a deficient number, since it is larger than the sum of its proper divisors (142965907419).

231114311205 is a wasteful number, since it uses less digits than its factorization.

231114311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206365.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 231114311205 its reverse (502113411132), we get a palindrome (733227722337).

The spelling of 231114311205 in words is "two hundred thirty-one billion, one hundred fourteen million, three hundred eleven thousand, two hundred five".