231101021301 has 4 divisors (see below), whose sum is σ = 308134695072. Its totient is φ = 154067347532.

The previous prime is 231101021269. The next prime is 231101021309. The reversal of 231101021301 is 103120101132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231101021301 - 2⁵ = 231101021269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231101021309) 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 3 ways as a sum of consecutive naturals, for example, 38516836881 + ... + 38516836886.

It is an arithmetic number, because the mean of its divisors is an integer number (77033673768).

Almost surely, 2^231101021301 is an apocalyptic number.

It is an amenable number.

231101021301 is a deficient number, since it is larger than the sum of its proper divisors (77033673771).

231101021301 is an equidigital number, since it uses as much as digits as its factorization.

231101021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77033673770.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231101021301 its reverse (103120101132), we get a palindrome (334221122433).

The spelling of 231101021301 in words is "two hundred thirty-one billion, one hundred one million, twenty-one thousand, three hundred one".