43311313629 has 16 divisors (see below), whose sum is σ = 64195132800. Its totient is φ = 28860608448.

The previous prime is 43311313607. The next prime is 43311313631. The reversal of 43311313629 is 92631311334.

It is a happy number.

43311313629 is a `hidden beast` number, since 4 + 3 + 3 + 1 + 13 + 13 + 629 = 666.

43311313629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-43311313629 is a prime.

It is a super-2 number, since 2×43311313629² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43311313593 and 43311313602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43311313649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319249 + ... + 434214.

It is an arithmetic number, because the mean of its divisors is an integer number (4012195800).

Almost surely, 2^43311313629 is an apocalyptic number.

It is an amenable number.

43311313629 is a deficient number, since it is larger than the sum of its proper divisors (20883819171).

43311313629 is a wasteful number, since it uses less digits than its factorization.

43311313629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755601 (or 755595 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The spelling of 43311313629 in words is "forty-three billion, three hundred eleven million, three hundred thirteen thousand, six hundred twenty-nine".