30212204131 has 2 divisors, whose sum is σ = 30212204132. Its totient is φ = 30212204130.

The previous prime is 30212204129. The next prime is 30212204149. The reversal of 30212204131 is 13140221203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30212204131 - 2¹ = 30212204129 is a prime.

It is a super-2 number, since 2×30212204131² (a number of 22 digits) contains 22 as substring.

Together with 30212204129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30212204099 and 30212204108.

It is not a weakly prime, because it can be changed into another prime (30212204101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106102065 + 15106102066.

It is an arithmetic number, because the mean of its divisors is an integer number (15106102066).

Almost surely, 2^30212204131 is an apocalyptic number.

30212204131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212204131 is an equidigital number, since it uses as much as digits as its factorization.

30212204131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30212204131 its reverse (13140221203), we get a palindrome (43352425334).

The spelling of 30212204131 in words is "thirty billion, two hundred twelve million, two hundred four thousand, one hundred thirty-one".