231210120302311 has 16 divisors (see below), whose sum is σ = 233522742316864. Its totient is φ = 228898813814784.

The previous prime is 231210120302303. The next prime is 231210120302327. The reversal of 231210120302311 is 113203021012132.

It is a cyclic number.

It is not a de Polignac number, because 231210120302311 - 2³ = 231210120302303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231210120302611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6793686751 + ... + 6793720783.

It is an arithmetic number, because the mean of its divisors is an integer number (14595171394804).

Almost surely, 2^{231210120302311} is an apocalyptic number.

231210120302311 is a deficient number, since it is larger than the sum of its proper divisors (2312622014553).

231210120302311 is a wasteful number, since it uses less digits than its factorization.

231210120302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51370.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231210120302311 its reverse (113203021012132), we get a palindrome (344413141314443).

The spelling of 231210120302311 in words is "two hundred thirty-one trillion, two hundred ten billion, one hundred twenty million, three hundred two thousand, three hundred eleven".