30212440431 has 24 divisors (see below), whose sum is σ = 41839708176. Its totient is φ = 19380764160.

The previous prime is 30212440429. The next prime is 30212440463. The reversal of 30212440431 is 13404421203.

It is not a de Polignac number, because 30212440431 - 2¹ = 30212440429 is a prime.

It is a super-2 number, since 2×30212440431² (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 (30212440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632421 + ... + 678513.

It is an arithmetic number, because the mean of its divisors is an integer number (1743321174).

Almost surely, 2^30212440431 is an apocalyptic number.

30212440431 is a deficient number, since it is larger than the sum of its proper divisors (11627267745).

30212440431 is an equidigital number, since it uses as much as digits as its factorization.

30212440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46283 (or 46210 counting only the distinct ones).

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

Adding to 30212440431 its reverse (13404421203), we get a palindrome (43616861634).

The spelling of 30212440431 in words is "thirty billion, two hundred twelve million, four hundred forty thousand, four hundred thirty-one".