143126306231 has 2 divisors, whose sum is σ = 143126306232. Its totient is φ = 143126306230.

The previous prime is 143126306209. The next prime is 143126306287. The reversal of 143126306231 is 132603621341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143126306231 is a prime.

It is a super-2 number, since 2×143126306231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143126306431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71563153115 + 71563153116.

It is an arithmetic number, because the mean of its divisors is an integer number (71563153116).

Almost surely, 2^143126306231 is an apocalyptic number.

143126306231 is a deficient number, since it is larger than the sum of its proper divisors (1).

143126306231 is an equidigital number, since it uses as much as digits as its factorization.

143126306231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 143126306231 its reverse (132603621341), we get a palindrome (275729927572).

The spelling of 143126306231 in words is "one hundred forty-three billion, one hundred twenty-six million, three hundred six thousand, two hundred thirty-one".