30212312131331 has 6 divisors (see below), whose sum is σ = 33208574491596. Its totient is φ = 27465738301100.

The previous prime is 30212312131327. The next prime is 30212312131349. The reversal of 30212312131331 is 13313121321203.

It is not a de Polignac number, because 30212312131331 - 2² = 30212312131327 is a prime.

It is a super-2 number, since 2×30212312131331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30212312131331.

It is not an unprimeable number, because it can be changed into a prime (30212312131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124844264885 + ... + 124844265126.

It is an arithmetic number, because the mean of its divisors is an integer number (5534762415266).

Almost surely, 2^{30212312131331} is an apocalyptic number.

30212312131331 is a deficient number, since it is larger than the sum of its proper divisors (2996262360265).

30212312131331 is a wasteful number, since it uses less digits than its factorization.

30212312131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249688530033 (or 249688530022 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 30212312131331 its reverse (13313121321203), we get a palindrome (43525433452534).

The spelling of 30212312131331 in words is "thirty trillion, two hundred twelve billion, three hundred twelve million, one hundred thirty-one thousand, three hundred thirty-one".