340481971 has 2 divisors, whose sum is σ = 340481972. Its totient is φ = 340481970.

The previous prime is 340481929. The next prime is 340481987. The reversal of 340481971 is 179184043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340481971 - 2¹³ = 340473779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340481971.

It is not a weakly prime, because it can be changed into another prime (340481371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170240985 + 170240986.

It is an arithmetic number, because the mean of its divisors is an integer number (170240986).

Almost surely, 2^340481971 is an apocalyptic number.

340481971 is a deficient number, since it is larger than the sum of its proper divisors (1).

340481971 is an equidigital number, since it uses as much as digits as its factorization.

340481971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 340481971 is about 18452.1535599507. The cubic root of 340481971 is about 698.2828462363.

The spelling of 340481971 in words is "three hundred forty million, four hundred eighty-one thousand, nine hundred seventy-one".