43321132011 has 32 divisors (see below), whose sum is σ = 62584980480. Its totient is φ = 26550534656.

The previous prime is 43321131991. The next prime is 43321132027. The reversal of 43321132011 is 11023112334.

It is a cyclic number.

It is not a de Polignac number, because 43321132011 - 2¹³ = 43321123819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43321132061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202320 + ... + 1237826.

It is an arithmetic number, because the mean of its divisors is an integer number (1955780640).

Almost surely, 2^43321132011 is an apocalyptic number.

43321132011 is a deficient number, since it is larger than the sum of its proper divisors (19263848469).

43321132011 is a wasteful number, since it uses less digits than its factorization.

43321132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36083.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 43321132011 its reverse (11023112334), we get a palindrome (54344244345).

The spelling of 43321132011 in words is "forty-three billion, three hundred twenty-one million, one hundred thirty-two thousand, eleven".