143103660631 has 2 divisors, whose sum is σ = 143103660632. Its totient is φ = 143103660630.

The previous prime is 143103660599. The next prime is 143103660649. The reversal of 143103660631 is 136066301341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143103660631 - 2⁵ = 143103660599 is a prime.

It is a super-2 number, since 2×143103660631² (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 (143103660671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71551830315 + 71551830316.

It is an arithmetic number, because the mean of its divisors is an integer number (71551830316).

Almost surely, 2^143103660631 is an apocalyptic number.

143103660631 is a deficient number, since it is larger than the sum of its proper divisors (1).

143103660631 is an equidigital number, since it uses as much as digits as its factorization.

143103660631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 143103660631 its reverse (136066301341), we get a palindrome (279169961972).

The spelling of 143103660631 in words is "one hundred forty-three billion, one hundred three million, six hundred sixty thousand, six hundred thirty-one".