143229316631 has 2 divisors, whose sum is σ = 143229316632. Its totient is φ = 143229316630.

The previous prime is 143229316603. The next prime is 143229316673. The reversal of 143229316631 is 136613922341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143229316631 is a prime.

It is a super-2 number, since 2×143229316631² (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 (143223316631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71614658315 + 71614658316.

It is an arithmetic number, because the mean of its divisors is an integer number (71614658316).

Almost surely, 2^143229316631 is an apocalyptic number.

143229316631 is a deficient number, since it is larger than the sum of its proper divisors (1).

143229316631 is an equidigital number, since it uses as much as digits as its factorization.

143229316631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The spelling of 143229316631 in words is "one hundred forty-three billion, two hundred twenty-nine million, three hundred sixteen thousand, six hundred thirty-one".