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30023013121321 = 112729364829211
BaseRepresentation
bin1101101001110010001110…
…00010000011110100101001
310221022011122101221110010211
412310321013002003310221
512413344112324340241
6143504214250141121
76216043152605323
oct664710702036451
9127264571843124
1030023013121321
119625763232790
12344a7b24217a1
13139a2091438bc
1475b19b8d2613
15370e7a32b781
hex1b4e47083d29

30023013121321 has 4 divisors (see below), whose sum is σ = 32752377950544. Its totient is φ = 27293648292100.

The previous prime is 30023013121303. The next prime is 30023013121349. The reversal of 30023013121321 is 12312131032003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30023013121321 - 29 = 30023013120809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30023013121292 and 30023013121301.

It is not an unprimeable number, because it can be changed into a prime (30023013127321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364682414595 + ... + 1364682414616.

It is an arithmetic number, because the mean of its divisors is an integer number (8188094487636).

Almost surely, 230023013121321 is an apocalyptic number.

It is an amenable number.

30023013121321 is a deficient number, since it is larger than the sum of its proper divisors (2729364829223).

30023013121321 is a wasteful number, since it uses less digits than its factorization.

30023013121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729364829222.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30023013121321 its reverse (12312131032003), we get a palindrome (42335144153324).

The spelling of 30023013121321 in words is "thirty trillion, twenty-three billion, thirteen million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 11 2729364829211 30023013121321