231130123131001 has 4 divisors (see below), whose sum is σ = 231150802226292. Its totient is φ = 231109444035712.

The previous prime is 231130123130993. The next prime is 231130123131067. The reversal of 231130123131001 is 100131321031132.

231130123131001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129773654046976 + 101356469084025 = 11391824^2 + 10067595^2 .

It is a cyclic number.

It is not a de Polignac number, because 231130123131001 - 2³ = 231130123130993 is a prime.

It is a super-2 number, since 2×231130123131001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231130123131101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10339530880 + ... + 10339553233.

It is an arithmetic number, because the mean of its divisors is an integer number (57787700556573).

Almost surely, 2^{231130123131001} is an apocalyptic number.

It is an amenable number.

231130123131001 is a deficient number, since it is larger than the sum of its proper divisors (20679095291).

231130123131001 is a wasteful number, since it uses less digits than its factorization.

231130123131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679095290.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 231130123131001 its reverse (100131321031132), we get a palindrome (331261444162133).

The spelling of 231130123131001 in words is "two hundred thirty-one trillion, one hundred thirty billion, one hundred twenty-three million, one hundred thirty-one thousand, one".