231299634066 has 16 divisors (see below), whose sum is σ = 463346608800. Its totient is φ = 76975321248.

The previous prime is 231299634037. The next prime is 231299634091. The reversal of 231299634066 is 660436992132.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31135171 + ... + 31142598.

It is an arithmetic number, because the mean of its divisors is an integer number (28959163050).

Almost surely, 2^231299634066 is an apocalyptic number.

231299634066 is an abundant number, since it is smaller than the sum of its proper divisors (232046974734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231299634066 is a wasteful number, since it uses less digits than its factorization.

231299634066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62278393.

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 231299634066 in words is "two hundred thirty-one billion, two hundred ninety-nine million, six hundred thirty-four thousand, sixty-six".