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30231121211213 = 137513096499151
BaseRepresentation
bin1101101111110101110110…
…01111011010111101001101
310222001001210211000202222212
412313322323033122331031
512430301314012224323
6144143552500520205
76240061236310346
oct667727317327515
9128031724022885
1030231121211213
1196a5a4588891a
123482bb13b0065
1313b3a231bc9b0
147672a07770cd
153765aa4ecb78
hex1b7ebb3daf4d

30231121211213 has 8 divisors (see below), whose sum is σ = 32599943072256. Its totient is φ = 27868492350000.

The previous prime is 30231121211197. The next prime is 30231121211261. The reversal of 30231121211213 is 31211212113203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30231121211213 - 24 = 30231121211197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231121211413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548239813 + ... + 1548259338.

It is an arithmetic number, because the mean of its divisors is an integer number (4074992884032).

Almost surely, 230231121211213 is an apocalyptic number.

It is an amenable number.

30231121211213 is a deficient number, since it is larger than the sum of its proper divisors (2368821861043).

30231121211213 is a wasteful number, since it uses less digits than its factorization.

30231121211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096499915.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 30231121211213 its reverse (31211212113203), we get a palindrome (61442333324416).

The spelling of 30231121211213 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 13 751 9763 3096499151 40254488963 2325470862401 30231121211213