30431044143 has 20 divisors (see below), whose sum is σ = 46515905128. Its totient is φ = 19815561360.

The previous prime is 30431044141. The next prime is 30431044153. The reversal of 30431044143 is 34144013403.

30431044143 is a `hidden beast` number, since 304 + 310 + 4 + 4 + 1 + 43 = 666.

It is not a de Polignac number, because 30431044143 - 2¹ = 30431044141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431044141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4365028 + ... + 4371993.

Almost surely, 2^30431044143 is an apocalyptic number.

30431044143 is a deficient number, since it is larger than the sum of its proper divisors (16084860985).

30431044143 is an equidigital number, since it uses as much as digits as its factorization.

30431044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737076 (or 8737067 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30431044143 its reverse (34144013403), we get a palindrome (64575057546).

The spelling of 30431044143 in words is "thirty billion, four hundred thirty-one million, forty-four thousand, one hundred forty-three".