340215531347 has 2 divisors, whose sum is σ = 340215531348. Its totient is φ = 340215531346.

The previous prime is 340215531319. The next prime is 340215531361. The reversal of 340215531347 is 743135512043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340215531347 - 2¹⁴ = 340215514963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340215531347.

It is not a weakly prime, because it can be changed into another prime (340215533347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170107765673 + 170107765674.

It is an arithmetic number, because the mean of its divisors is an integer number (170107765674).

Almost surely, 2^340215531347 is an apocalyptic number.

340215531347 is a deficient number, since it is larger than the sum of its proper divisors (1).

340215531347 is an equidigital number, since it uses as much as digits as its factorization.

340215531347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 340215531347 in words is "three hundred forty billion, two hundred fifteen million, five hundred thirty-one thousand, three hundred forty-seven".