343400133 has 16 divisors (see below), whose sum is σ = 474699456. Its totient is φ = 220652160.

The previous prime is 343400131. The next prime is 343400137. The reversal of 343400133 is 331004343.

It is not a de Polignac number, because 343400133 - 2¹ = 343400131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343400131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6610 + ... + 27027.

It is an arithmetic number, because the mean of its divisors is an integer number (29668716).

Almost surely, 2^343400133 is an apocalyptic number.

It is an amenable number.

343400133 is a deficient number, since it is larger than the sum of its proper divisors (131299323).

343400133 is a wasteful number, since it uses less digits than its factorization.

343400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33764.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 343400133 is about 18531.0586044079. The cubic root of 343400133 is about 700.2720935419.

Adding to 343400133 its reverse (331004343), we get a palindrome (674404476).

The spelling of 343400133 in words is "three hundred forty-three million, four hundred thousand, one hundred thirty-three".