312020343143 has 2 divisors, whose sum is σ = 312020343144. Its totient is φ = 312020343142.

The previous prime is 312020343121. The next prime is 312020343203. The reversal of 312020343143 is 341343020213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312020343143 - 2²² = 312016148839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312020343043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156010171571 + 156010171572.

It is an arithmetic number, because the mean of its divisors is an integer number (156010171572).

Almost surely, 2^312020343143 is an apocalyptic number.

312020343143 is a deficient number, since it is larger than the sum of its proper divisors (1).

312020343143 is an equidigital number, since it uses as much as digits as its factorization.

312020343143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 312020343143 its reverse (341343020213), we get a palindrome (653363363356).

The spelling of 312020343143 in words is "three hundred twelve billion, twenty million, three hundred forty-three thousand, one hundred forty-three".