43013011 has 4 divisors (see below), whose sum is σ = 43066224. Its totient is φ = 42959800.

The previous prime is 43012973. The next prime is 43013041. The reversal of 43013011 is 11031034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43013011 - 2⁷ = 43012883 is a prime.

It is a super-2 number, since 2×43013011² = 3700238230572242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43012982 and 43013000.

It is not an unprimeable number, because it can be changed into a prime (43013041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25375 + ... + 27016.

It is an arithmetic number, because the mean of its divisors is an integer number (10766556).

Almost surely, 2^43013011 is an apocalyptic number.

43013011 is a deficient number, since it is larger than the sum of its proper divisors (53213).

43013011 is an equidigital number, since it uses as much as digits as its factorization.

43013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53212.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 43013011 is about 6558.4305287165. The cubic root of 43013011 is about 350.3751379111.

Adding to 43013011 its reverse (11031034), we get a palindrome (54044045).

The spelling of 43013011 in words is "forty-three million, thirteen thousand, eleven".