1231021130301 has 6 divisors (see below), whose sum is σ = 1778141632670. Its totient is φ = 820680753528.

The previous prime is 1231021130293. The next prime is 1231021130327. The reversal of 1231021130301 is 1030311201321.

1231021130301 is a `hidden beast` number, since 1 + 2 + 310 + 21 + 1 + 30 + 301 = 666.

It can be written as a sum of positive squares in only one way, i.e., 921772808100 + 309248322201 = 960090^2 + 556101^2 .

It is not a de Polignac number, because 1231021130301 - 2³ = 1231021130293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231021130351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68390062786 + ... + 68390062803.

Almost surely, 2^{1231021130301} is an apocalyptic number.

It is an amenable number.

1231021130301 is a deficient number, since it is larger than the sum of its proper divisors (547120502369).

1231021130301 is a wasteful number, since it uses less digits than its factorization.

1231021130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136780125595 (or 136780125592 counting only the distinct ones).

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

Adding to 1231021130301 its reverse (1030311201321), we get a palindrome (2261332331622).

The spelling of 1231021130301 in words is "one trillion, two hundred thirty-one billion, twenty-one million, one hundred thirty thousand, three hundred one".