231421124141 has 2 divisors, whose sum is σ = 231421124142. Its totient is φ = 231421124140.

The previous prime is 231421124093. The next prime is 231421124147. The reversal of 231421124141 is 141421124132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231058069225 + 363054916 = 480685^2 + 19054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231421124141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231421124141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231421124147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115710562070 + 115710562071.

It is an arithmetic number, because the mean of its divisors is an integer number (115710562071).

Almost surely, 2^231421124141 is an apocalyptic number.

It is an amenable number.

231421124141 is a deficient number, since it is larger than the sum of its proper divisors (1).

231421124141 is an equidigital number, since it uses as much as digits as its factorization.

231421124141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

Adding to 231421124141 its reverse (141421124132), we get a palindrome (372842248273).

Subtracting from 231421124141 its reverse (141421124132), we obtain a palindrome (90000000009).

The spelling of 231421124141 in words is "two hundred thirty-one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred forty-one".