231012111301 has 4 divisors (see below), whose sum is σ = 231243819532. Its totient is φ = 230780403072.

The previous prime is 231012111289. The next prime is 231012111307. The reversal of 231012111301 is 103111210132.

It is a happy number.

231012111301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 215430581025 + 15581530276 = 464145^2 + 124826^2 .

It is a cyclic number.

It is not a de Polignac number, because 231012111301 - 2⁵ = 231012111269 is a prime.

It is a super-2 number, since 2×231012111301² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012111307) 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 in 3 ways as a sum of consecutive naturals, for example, 115852620 + ... + 115854613.

It is an arithmetic number, because the mean of its divisors is an integer number (57810954883).

Almost surely, 2^231012111301 is an apocalyptic number.

It is an amenable number.

231012111301 is a deficient number, since it is larger than the sum of its proper divisors (231708231).

231012111301 is an equidigital number, since it uses as much as digits as its factorization.

231012111301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231708230.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 231012111301 its reverse (103111210132), we get a palindrome (334123321433).

The spelling of 231012111301 in words is "two hundred thirty-one billion, twelve million, one hundred eleven thousand, three hundred one".