30051212131 has 2 divisors, whose sum is σ = 30051212132. Its totient is φ = 30051212130.

The previous prime is 30051212129. The next prime is 30051212173. The reversal of 30051212131 is 13121215003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30051212131 - 2¹ = 30051212129 is a prime.

It is a super-2 number, since 2×30051212131² (a number of 22 digits) contains 22 as substring.

Together with 30051212129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30051212099 and 30051212108.

It is not a weakly prime, because it can be changed into another prime (30051212101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025606065 + 15025606066.

It is an arithmetic number, because the mean of its divisors is an integer number (15025606066).

Almost surely, 2^30051212131 is an apocalyptic number.

30051212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30051212131 is an equidigital number, since it uses as much as digits as its factorization.

30051212131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 30051212131 its reverse (13121215003), we get a palindrome (43172427134).

The spelling of 30051212131 in words is "thirty billion, fifty-one million, two hundred twelve thousand, one hundred thirty-one".