340566931 has 2 divisors, whose sum is σ = 340566932. Its totient is φ = 340566930.

The previous prime is 340566917. The next prime is 340566937. The reversal of 340566931 is 139665043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340566931 - 2⁷ = 340566803 is a prime.

It is a super-2 number, since 2×340566931² = 231971668981517522, which contains 22 as substring.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (340566937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170283465 + 170283466.

It is an arithmetic number, because the mean of its divisors is an integer number (170283466).

Almost surely, 2^340566931 is an apocalyptic number.

340566931 is a deficient number, since it is larger than the sum of its proper divisors (1).

340566931 is an equidigital number, since it uses as much as digits as its factorization.

340566931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 340566931 is about 18454.4555866598. The cubic root of 340566931 is about 698.3409219269.

The spelling of 340566931 in words is "three hundred forty million, five hundred sixty-six thousand, nine hundred thirty-one".