231310020214 has 16 divisors (see below), whose sum is σ = 427033883808. Its totient is φ = 91507260672.

The previous prime is 231310020211. The next prime is 231310020241. The reversal of 231310020214 is 412020013132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231310020191 and 231310020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635466907 + ... + 635467270.

It is an arithmetic number, because the mean of its divisors is an integer number (26689617738).

Almost surely, 2^231310020214 is an apocalyptic number.

231310020214 is a deficient number, since it is larger than the sum of its proper divisors (195723863594).

231310020214 is a wasteful number, since it uses less digits than its factorization.

231310020214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270934199.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231310020214 its reverse (412020013132), we get a palindrome (643330033346).

The spelling of 231310020214 in words is "two hundred thirty-one billion, three hundred ten million, twenty thousand, two hundred fourteen".