340431212 has 24 divisors (see below), whose sum is σ = 670881792. Its totient is φ = 149749200.

The previous prime is 340431197. The next prime is 340431233. The reversal of 340431212 is 212134043.

It is a super-3 number, since 3×340431212³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123428 + ... + 126155.

It is an arithmetic number, because the mean of its divisors is an integer number (27953408).

Almost surely, 2^340431212 is an apocalyptic number.

It is an amenable number.

340431212 is a deficient number, since it is larger than the sum of its proper divisors (330450580).

340431212 is a wasteful number, since it uses less digits than its factorization.

340431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249629 (or 249627 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 340431212 is about 18450.7780865740. The cubic root of 340431212 is about 698.2481445453.

Adding to 340431212 its reverse (212134043), we get a palindrome (552565255).

The spelling of 340431212 in words is "three hundred forty million, four hundred thirty-one thousand, two hundred twelve".