1231310023201 has 8 divisors (see below), whose sum is σ = 1235373272000. Its totient is φ = 1227249833040.

The previous prime is 1231310023199. The next prime is 1231310023297. The reversal of 1231310023201 is 1023200131321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231310023201 - 2¹ = 1231310023199 is a prime.

It is a super-2 number, since 2×1231310023201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231310023501) 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 7 ways as a sum of consecutive naturals, for example, 43210 + ... + 1569868.

It is an arithmetic number, because the mean of its divisors is an integer number (154421659000).

Almost surely, 2^{1231310023201} is an apocalyptic number.

It is an amenable number.

1231310023201 is a deficient number, since it is larger than the sum of its proper divisors (4063248799).

1231310023201 is a wasteful number, since it uses less digits than its factorization.

1231310023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529319.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231310023201 its reverse (1023200131321), we get a palindrome (2254510154522).

The spelling of 1231310023201 in words is "one trillion, two hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred one".