340142211 has 12 divisors (see below), whose sum is σ = 492348480. Its totient is φ = 226285200.

The previous prime is 340142207. The next prime is 340142219. The reversal of 340142211 is 112241043.

It is not a de Polignac number, because 340142211 - 2² = 340142207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340142219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35140 + ... + 43761.

It is an arithmetic number, because the mean of its divisors is an integer number (41029040).

Almost surely, 2^340142211 is an apocalyptic number.

340142211 is a deficient number, since it is larger than the sum of its proper divisors (152206269).

340142211 is a wasteful number, since it uses less digits than its factorization.

340142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79386 (or 79383 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 340142211 is about 18442.9447486024. The cubic root of 340142211 is about 698.0505015417.

Adding to 340142211 its reverse (112241043), we get a palindrome (452383254).

The spelling of 340142211 in words is "three hundred forty million, one hundred forty-two thousand, two hundred eleven".