30443412131 has 32 divisors (see below), whose sum is σ = 36031564800. Its totient is φ = 25425031680.

The previous prime is 30443412091. The next prime is 30443412173. The reversal of 30443412131 is 13121434403.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30443412131 - 2¹⁰ = 30443411107 is a prime.

It is a super-2 number, since 2×30443412131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30443412131.

It is not an unprimeable number, because it can be changed into a prime (30443412931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056491 + ... + 1084923.

It is an arithmetic number, because the mean of its divisors is an integer number (1125986400).

Almost surely, 2^30443412131 is an apocalyptic number.

30443412131 is a deficient number, since it is larger than the sum of its proper divisors (5588152669).

30443412131 is a wasteful number, since it uses less digits than its factorization.

30443412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28619.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30443412131 its reverse (13121434403), we get a palindrome (43564846534).

The spelling of 30443412131 in words is "thirty billion, four hundred forty-three million, four hundred twelve thousand, one hundred thirty-one".