302040343 has 16 divisors (see below), whose sum is σ = 350493696. Its totient is φ = 257235840.

The previous prime is 302040337. The next prime is 302040367. The reversal of 302040343 is 343040203.

It is not a de Polignac number, because 302040343 - 2²⁵ = 268485911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302040343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302040043) 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, 38080 + ... + 45322.

It is an arithmetic number, because the mean of its divisors is an integer number (21905856).

Almost surely, 2^302040343 is an apocalyptic number.

302040343 is a deficient number, since it is larger than the sum of its proper divisors (48453353).

302040343 is a wasteful number, since it uses less digits than its factorization.

302040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 302040343 is about 17379.3078976120. The cubic root of 302040343 is about 670.9471589508.

Adding to 302040343 its reverse (343040203), we get a palindrome (645080546).

The spelling of 302040343 in words is "three hundred two million, forty thousand, three hundred forty-three".