30143343403 has 4 divisors (see below), whose sum is σ = 30166693528. Its totient is φ = 30119993280.

The previous prime is 30143343401. The next prime is 30143343407. The reversal of 30143343403 is 30434334103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30143343403 - 2¹ = 30143343401 is a prime.

It is a super-2 number, since 2×30143343403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30143343401) 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 3 ways as a sum of consecutive naturals, for example, 11673126 + ... + 11675707.

It is an arithmetic number, because the mean of its divisors is an integer number (7541673382).

Almost surely, 2^30143343403 is an apocalyptic number.

30143343403 is a deficient number, since it is larger than the sum of its proper divisors (23350125).

30143343403 is a wasteful number, since it uses less digits than its factorization.

30143343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23350124.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 30143343403 its reverse (30434334103), we get a palindrome (60577677506).

The spelling of 30143343403 in words is "thirty billion, one hundred forty-three million, three hundred forty-three thousand, four hundred three".