231211383112141 has 2 divisors, whose sum is σ = 231211383112142. Its totient is φ = 231211383112140.

The previous prime is 231211383112121. The next prime is 231211383112147. The reversal of 231211383112141 is 141211383112132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203958243146025 + 27253139966116 = 14281395^2 + 5220454^2 .

It is a cyclic number.

It is not a de Polignac number, because 231211383112141 - 2¹¹ = 231211383110093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231211383112097 and 231211383112106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231211383112147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115605691556070 + 115605691556071.

It is an arithmetic number, because the mean of its divisors is an integer number (115605691556071).

Almost surely, 2^{231211383112141} is an apocalyptic number.

It is an amenable number.

231211383112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

231211383112141 is an equidigital number, since it uses as much as digits as its factorization.

231211383112141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

Subtracting from 231211383112141 its reverse (141211383112132), we obtain a palindrome (90000000000009).

The spelling of 231211383112141 in words is "two hundred thirty-one trillion, two hundred eleven billion, three hundred eighty-three million, one hundred twelve thousand, one hundred forty-one".