143413631 has 2 divisors, whose sum is σ = 143413632. Its totient is φ = 143413630.

The previous prime is 143413603. The next prime is 143413661. The reversal of 143413631 is 136314341.

143413631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143413631 - 2¹⁸ = 143151487 is a prime.

It is a super-2 number, since 2×143413631² = 41134939113208322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_8094140 and since 143413631 and 8094140 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143413631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143413661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71706815 + 71706816.

It is an arithmetic number, because the mean of its divisors is an integer number (71706816).

Almost surely, 2^143413631 is an apocalyptic number.

143413631 is a deficient number, since it is larger than the sum of its proper divisors (1).

143413631 is an equidigital number, since it uses as much as digits as its factorization.

143413631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 143413631 is about 11975.5430357041. The cubic root of 143413631 is about 523.4358658376.

Adding to 143413631 its reverse (136314341), we get a palindrome (279727972).

The spelling of 143413631 in words is "one hundred forty-three million, four hundred thirteen thousand, six hundred thirty-one".