340211331 has 24 divisors (see below), whose sum is σ = 515093280. Its totient is φ = 215968896.

The previous prime is 340211309. The next prime is 340211351. The reversal of 340211331 is 133112043.

It is not a de Polignac number, because 340211331 - 2⁵ = 340211299 is a prime.

It is a super-2 number, since 2×340211331² = 231487499481583122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340211351) 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 in 23 ways as a sum of consecutive naturals, for example, 43815 + ... + 50991.

It is an arithmetic number, because the mean of its divisors is an integer number (21462220).

Almost surely, 2^340211331 is an apocalyptic number.

340211331 is a deficient number, since it is larger than the sum of its proper divisors (174881949).

340211331 is a wasteful number, since it uses less digits than its factorization.

340211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435 (or 7432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 340211331 is about 18444.8185407176. The cubic root of 340211331 is about 698.0977817490.

Adding to 340211331 its reverse (133112043), we get a palindrome (473323374).

The spelling of 340211331 in words is "three hundred forty million, two hundred eleven thousand, three hundred thirty-one".