231100031401 has 2 divisors, whose sum is σ = 231100031402. Its totient is φ = 231100031400.

The previous prime is 231100031399. The next prime is 231100031443. The reversal of 231100031401 is 104130001132.

231100031401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127834851600 + 103265179801 = 357540^2 + 321349^2 .

It is a cyclic number.

It is not a de Polignac number, because 231100031401 - 2¹ = 231100031399 is a prime.

Together with 231100031399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231100001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550015700 + 115550015701.

It is an arithmetic number, because the mean of its divisors is an integer number (115550015701).

Almost surely, 2^231100031401 is an apocalyptic number.

It is an amenable number.

231100031401 is a deficient number, since it is larger than the sum of its proper divisors (1).

231100031401 is an equidigital number, since it uses as much as digits as its factorization.

231100031401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231100031401 its reverse (104130001132), we get a palindrome (335230032533).

The spelling of 231100031401 in words is "two hundred thirty-one billion, one hundred million, thirty-one thousand, four hundred one".