43431342002 has 4 divisors (see below), whose sum is σ = 65147013006. Its totient is φ = 21715671000.

The previous prime is 43431341977. The next prime is 43431342047. The reversal of 43431342002 is 20024313434.

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

It can be written as a sum of positive squares in only one way, i.e., 35354904841 + 8076437161 = 188029^2 + 89869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10857835499 + ... + 10857835502.

Almost surely, 2^43431342002 is an apocalyptic number.

43431342002 is a deficient number, since it is larger than the sum of its proper divisors (21715671004).

43431342002 is a wasteful number, since it uses less digits than its factorization.

43431342002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21715671003.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43431342002 its reverse (20024313434), we get a palindrome (63455655436).

The spelling of 43431342002 in words is "forty-three billion, four hundred thirty-one million, three hundred forty-two thousand, two".