231201010102 has 4 divisors (see below), whose sum is σ = 346801515156. Its totient is φ = 115600505050.

The previous prime is 231201010099. The next prime is 231201010129. The reversal of 231201010102 is 201010102132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57800252524 + ... + 57800252527.

It is an arithmetic number, because the mean of its divisors is an integer number (86700378789).

Almost surely, 2^231201010102 is an apocalyptic number.

231201010102 is a deficient number, since it is larger than the sum of its proper divisors (115600505054).

231201010102 is a wasteful number, since it uses less digits than its factorization.

231201010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115600505053.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 231201010102 its reverse (201010102132), we get a palindrome (432211112234).

The spelling of 231201010102 in words is "two hundred thirty-one billion, two hundred one million, ten thousand, one hundred two".