340312143551 has 2 divisors, whose sum is σ = 340312143552. Its totient is φ = 340312143550.

The previous prime is 340312143533. The next prime is 340312143559. The reversal of 340312143551 is 155341213043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340312143551 - 2¹⁴ = 340312127167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340312143559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170156071775 + 170156071776.

It is an arithmetic number, because the mean of its divisors is an integer number (170156071776).

Almost surely, 2^340312143551 is an apocalyptic number.

340312143551 is a deficient number, since it is larger than the sum of its proper divisors (1).

340312143551 is an equidigital number, since it uses as much as digits as its factorization.

340312143551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 340312143551 its reverse (155341213043), we get a palindrome (495653356594).

The spelling of 340312143551 in words is "three hundred forty billion, three hundred twelve million, one hundred forty-three thousand, five hundred fifty-one".