231310121301 has 48 divisors (see below), whose sum is σ = 386856038400. Its totient is φ = 130444258464.

The previous prime is 231310121281. The next prime is 231310121351. The reversal of 231310121301 is 103121013132.

231310121301 is a `hidden beast` number, since 2 + 31 + 310 + 1 + 21 + 301 = 666.

It is not a de Polignac number, because 231310121301 - 2²¹ = 231308024149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310121351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12268840 + ... + 12287678.

It is an arithmetic number, because the mean of its divisors is an integer number (8059500800).

Almost surely, 2^231310121301 is an apocalyptic number.

231310121301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231310121301 is a deficient number, since it is larger than the sum of its proper divisors (155545917099).

231310121301 is a wasteful number, since it uses less digits than its factorization.

231310121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21398 (or 21395 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231310121301 its reverse (103121013132), we get a palindrome (334431134433).

The spelling of 231310121301 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty-one thousand, three hundred one".