43213034 has 4 divisors (see below), whose sum is σ = 64819554. Its totient is φ = 21606516.

The previous prime is 43213033. The next prime is 43213061. The reversal of 43213034 is 43031234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43031234 = 2 ⋅21515617.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 12996025 = 5497^2 + 3605^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43212997 and 43213015.

It is not an unprimeable number, because it can be changed into a prime (43213033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10803257 + ... + 10803260.

Almost surely, 2^43213034 is an apocalyptic number.

43213034 is a deficient number, since it is larger than the sum of its proper divisors (21606520).

43213034 is a wasteful number, since it uses less digits than its factorization.

43213034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606519.

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

The square root of 43213034 is about 6573.6621452582. The cubic root of 43213034 is about 350.9174135994.

Adding to 43213034 its reverse (43031234), we get a palindrome (86244268).

The spelling of 43213034 in words is "forty-three million, two hundred thirteen thousand, thirty-four".