234221211131 has 2 divisors, whose sum is σ = 234221211132. Its totient is φ = 234221211130.

The previous prime is 234221211073. The next prime is 234221211167. The reversal of 234221211131 is 131112122432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234221211131 is a prime.

It is a super-2 number, since 2×234221211131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234221211097 and 234221211106.

It is not a weakly prime, because it can be changed into another prime (234221211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117110605565 + 117110605566.

It is an arithmetic number, because the mean of its divisors is an integer number (117110605566).

Almost surely, 2^234221211131 is an apocalyptic number.

234221211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

234221211131 is an equidigital number, since it uses as much as digits as its factorization.

234221211131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 234221211131 its reverse (131112122432), we get a palindrome (365333333563).

The spelling of 234221211131 in words is "two hundred thirty-four billion, two hundred twenty-one million, two hundred eleven thousand, one hundred thirty-one".