30212020202131 has 2 divisors, whose sum is σ = 30212020202132. Its totient is φ = 30212020202130.

The previous prime is 30212020202069. The next prime is 30212020202213. The reversal of 30212020202131 is 13120202021203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30212020202131 - 2¹⁵ = 30212020169363 is a prime.

It is a super-2 number, since 2×30212020202131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212020202099 and 30212020202108.

It is not a weakly prime, because it can be changed into another prime (30212020205131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106010101065 + 15106010101066.

It is an arithmetic number, because the mean of its divisors is an integer number (15106010101066).

Almost surely, 2^{30212020202131} is an apocalyptic number.

30212020202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212020202131 is an equidigital number, since it uses as much as digits as its factorization.

30212020202131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30212020202131 its reverse (13120202021203), we get a palindrome (43332222223334).

The spelling of 30212020202131 in words is "thirty trillion, two hundred twelve billion, twenty million, two hundred two thousand, one hundred thirty-one".