1231331033301 has 16 divisors (see below), whose sum is σ = 1738626120000. Its totient is φ = 772477008128.

The previous prime is 1231331033297. The next prime is 1231331033321. The reversal of 1231331033301 is 1033301331321.

It is a cyclic number.

It is not a de Polignac number, because 1231331033301 - 2² = 1231331033297 is a prime.

It is a super-2 number, since 2×1231331033301² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231331033321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595226 + ... + 2237723.

It is an arithmetic number, because the mean of its divisors is an integer number (108664132500).

Almost surely, 2^{1231331033301} is an apocalyptic number.

It is an amenable number.

1231331033301 is a deficient number, since it is larger than the sum of its proper divisors (507295086699).

1231331033301 is a wasteful number, since it uses less digits than its factorization.

1231331033301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839268.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1231331033301 its reverse (1033301331321), we get a palindrome (2264632364622).

The spelling of 1231331033301 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-one million, thirty-three thousand, three hundred one".