43312021334 has 4 divisors (see below), whose sum is σ = 64968032004. Its totient is φ = 21656010666.

The previous prime is 43312021271. The next prime is 43312021339.

43312021334 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×43312021334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43312021339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10828005332 + ... + 10828005335.

It is an arithmetic number, because the mean of its divisors is an integer number (16242008001).

Almost surely, 2^43312021334 is an apocalyptic number.

43312021334 is a deficient number, since it is larger than the sum of its proper divisors (21656010670).

43312021334 is a wasteful number, since it uses less digits than its factorization.

43312021334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21656010669.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 433120 and 21334, that added together give a palindrome (454454).

The spelling of 43312021334 in words is "forty-three billion, three hundred twelve million, twenty-one thousand, three hundred thirty-four".