231611306230 has 16 divisors (see below), whose sum is σ = 417375738000. Its totient is φ = 92538880992.

The previous prime is 231611306207. The next prime is 231611306237. The reversal of 231611306230 is 32603116132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231611306237) 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, 13195980 + ... + 13213519.

It is an arithmetic number, because the mean of its divisors is an integer number (26085983625).

Almost surely, 2^231611306230 is an apocalyptic number.

231611306230 is a deficient number, since it is larger than the sum of its proper divisors (185764431770).

231611306230 is a wasteful number, since it uses less digits than its factorization.

231611306230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26410383.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 231611306230 in words is "two hundred thirty-one billion, six hundred eleven million, three hundred six thousand, two hundred thirty".