30321212131233 has 6 divisors (see below), whose sum is σ = 43797306411794. Its totient is φ = 20214141420816.

The previous prime is 30321212131219. The next prime is 30321212131241. The reversal of 30321212131233 is 33213121212303.

30321212131233 is a `hidden beast` number, since 3 + 0 + 3 + 212 + 1 + 213 + 1 + 233 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16201526612544 + 14119685518689 = 4025112^2 + 3757617^2 .

It is not a de Polignac number, because 30321212131233 - 2⁸ = 30321212130977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30321212131197 and 30321212131206.

It is not an unprimeable number, because it can be changed into a prime (30321212131213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684511785060 + ... + 1684511785077.

Almost surely, 2^{30321212131233} is an apocalyptic number.

It is an amenable number.

30321212131233 is a deficient number, since it is larger than the sum of its proper divisors (13476094280561).

30321212131233 is a wasteful number, since it uses less digits than its factorization.

30321212131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369023570143 (or 3369023570140 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 30321212131233 its reverse (33213121212303), we get a palindrome (63534333343536).

The spelling of 30321212131233 in words is "thirty trillion, three hundred twenty-one billion, two hundred twelve million, one hundred thirty-one thousand, two hundred thirty-three".