30212232031 has 2 divisors, whose sum is σ = 30212232032. Its totient is φ = 30212232030.

The previous prime is 30212232019. The next prime is 30212232049. The reversal of 30212232031 is 13023221203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212232031 is a prime.

It is a super-2 number, since 2×30212232031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30212232331) 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 as a sum of consecutive naturals, namely, 15106116015 + 15106116016.

It is an arithmetic number, because the mean of its divisors is an integer number (15106116016).

Almost surely, 2^30212232031 is an apocalyptic number.

30212232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212232031 is an equidigital number, since it uses as much as digits as its factorization.

30212232031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30212232031 its reverse (13023221203), we get a palindrome (43235453234).

It can be divided in two parts, 302122 and 32031, that added together give a triangular number (334153 = T₈₁₇).

The spelling of 30212232031 in words is "thirty billion, two hundred twelve million, two hundred thirty-two thousand, thirty-one".