2130131001181 has 2 divisors, whose sum is σ = 2130131001182. Its totient is φ = 2130131001180.

The previous prime is 2130131001157. The next prime is 2130131001239. The reversal of 2130131001181 is 1811001310312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2091581212900 + 38549788281 = 1446230^2 + 196341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130131001181 - 2¹⁹ = 2130130476893 is a prime.

It is a super-2 number, since 2×2130131001181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130131001881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065065500590 + 1065065500591.

It is an arithmetic number, because the mean of its divisors is an integer number (1065065500591).

Almost surely, 2^{2130131001181} is an apocalyptic number.

It is an amenable number.

2130131001181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130131001181 is an equidigital number, since it uses as much as digits as its factorization.

2130131001181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 2130131001181 its reverse (1811001310312), we get a palindrome (3941132311493).

The spelling of 2130131001181 in words is "two trillion, one hundred thirty billion, one hundred thirty-one million, one thousand, one hundred eighty-one".