43313133413 has 4 divisors (see below), whose sum is σ = 47250691008. Its totient is φ = 39375575820.

The previous prime is 43313133397. The next prime is 43313133421. The reversal of 43313133413 is 31433131334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43313133413 - 2⁴ = 43313133397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43313133433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968778781 + ... + 1968778802.

It is an arithmetic number, because the mean of its divisors is an integer number (11812672752).

Almost surely, 2^43313133413 is an apocalyptic number.

It is an amenable number.

43313133413 is a deficient number, since it is larger than the sum of its proper divisors (3937557595).

43313133413 is a wasteful number, since it uses less digits than its factorization.

43313133413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937557594.

The product of its digits is 11664, while the sum is 29.

Adding to 43313133413 its reverse (31433131334), we get a palindrome (74746264747).

The spelling of 43313133413 in words is "forty-three billion, three hundred thirteen million, one hundred thirty-three thousand, four hundred thirteen".