231131202031301 has 64 divisors (see below), whose sum is σ = 276612333419520. Its totient is φ = 190355028272640.

The previous prime is 231131202031297. The next prime is 231131202031343. The reversal of 231131202031301 is 103130202131132.

231131202031301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231131202031301 - 2² = 231131202031297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231131202031001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2821074905 + ... + 2821156833.

It is an arithmetic number, because the mean of its divisors is an integer number (4322067709680).

Almost surely, 2^{231131202031301} is an apocalyptic number.

It is an amenable number.

231131202031301 is a deficient number, since it is larger than the sum of its proper divisors (45481131388219).

231131202031301 is a wasteful number, since it uses less digits than its factorization.

231131202031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83106.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231131202031301 its reverse (103130202131132), we get a palindrome (334261404162433).

The spelling of 231131202031301 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, two hundred two million, thirty-one thousand, three hundred one".