30203144431 has 8 divisors (see below), whose sum is σ = 31566744720. Its totient is φ = 28861018368.

The previous prime is 30203144429. The next prime is 30203144449. The reversal of 30203144431 is 13444130203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30203144431 - 2¹ = 30203144429 is a prime.

It is a super-2 number, since 2×30203144431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203144396 and 30203144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203141431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5365681 + ... + 5371306.

It is an arithmetic number, because the mean of its divisors is an integer number (3945843090).

Almost surely, 2^30203144431 is an apocalyptic number.

30203144431 is a deficient number, since it is larger than the sum of its proper divisors (1363600289).

30203144431 is a wasteful number, since it uses less digits than its factorization.

30203144431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737113.

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

Adding to 30203144431 its reverse (13444130203), we get a palindrome (43647274634).

The spelling of 30203144431 in words is "thirty billion, two hundred three million, one hundred forty-four thousand, four hundred thirty-one".