30202144431 has 16 divisors (see below), whose sum is σ = 42399571200. Its totient is φ = 19070270208.

The previous prime is 30202144403. The next prime is 30202144439. The reversal of 30202144431 is 13444120203.

It is not a de Polignac number, because 30202144431 - 2⁶ = 30202144367 is a prime.

It is a super-2 number, since 2×30202144431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202144439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171190 + ... + 299516.

It is an arithmetic number, because the mean of its divisors is an integer number (2649973200).

Almost surely, 2^30202144431 is an apocalyptic number.

30202144431 is a deficient number, since it is larger than the sum of its proper divisors (12197426769).

30202144431 is a wasteful number, since it uses less digits than its factorization.

30202144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132478.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30202144431 its reverse (13444120203), we get a palindrome (43646264634).

The spelling of 30202144431 in words is "thirty billion, two hundred two million, one hundred forty-four thousand, four hundred thirty-one".