30440132143 has 4 divisors (see below), whose sum is σ = 30479716960. Its totient is φ = 30400547328.

The previous prime is 30440132087. The next prime is 30440132227. The reversal of 30440132143 is 34123104403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34123104403 = 131 ⋅260481713.

It is a cyclic number.

It is not a de Polignac number, because 30440132143 - 2¹³ = 30440123951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440132243) 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, 19791255 + ... + 19792792.

It is an arithmetic number, because the mean of its divisors is an integer number (7619929240).

Almost surely, 2^30440132143 is an apocalyptic number.

30440132143 is a deficient number, since it is larger than the sum of its proper divisors (39584817).

30440132143 is an equidigital number, since it uses as much as digits as its factorization.

30440132143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39584816.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30440132143 its reverse (34123104403), we get a palindrome (64563236546).

The spelling of 30440132143 in words is "thirty billion, four hundred forty million, one hundred thirty-two thousand, one hundred forty-three".