343131402 has 16 divisors (see below), whose sum is σ = 686835072. Its totient is φ = 114281760.

The previous prime is 343131391. The next prime is 343131407. The reversal of 343131402 is 204131343.

It is not an unprimeable number, because it can be changed into a prime (343131407) 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 7 ways as a sum of consecutive naturals, for example, 15843 + ... + 30614.

It is an arithmetic number, because the mean of its divisors is an integer number (42927192).

Almost surely, 2^343131402 is an apocalyptic number.

343131402 is an abundant number, since it is smaller than the sum of its proper divisors (343703670).

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

343131402 is a wasteful number, since it uses less digits than its factorization.

343131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47693.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343131402 is about 18523.8063583055. The cubic root of 343131402 is about 700.0893777032.

Adding to 343131402 its reverse (204131343), we get a palindrome (547262745).

The spelling of 343131402 in words is "three hundred forty-three million, one hundred thirty-one thousand, four hundred two".