343312040 has 16 divisors (see below), whose sum is σ = 772452180. Its totient is φ = 137324800.

The previous prime is 343312033. The next prime is 343312061. The reversal of 343312040 is 40213343.

It can be written as a sum of positive squares in 2 ways, for example, as 342324004 + 988036 = 18502^2 + 994^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4291361 + ... + 4291440.

Almost surely, 2^343312040 is an apocalyptic number.

It is an amenable number.

343312040 is an abundant number, since it is smaller than the sum of its proper divisors (429140140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343312040 is a wasteful number, since it uses less digits than its factorization.

343312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582812 (or 8582808 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343312040 is about 18528.6815505043. The cubic root of 343312040 is about 700.2122077707.

Adding to 343312040 its reverse (40213343), we get a palindrome (383525383).

The spelling of 343312040 in words is "three hundred forty-three million, three hundred twelve thousand, forty".