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30233110111231 = 146539206314429
BaseRepresentation
bin1101101111111001100011…
…10010011110001111111111
310222001020221102111100220111
412313330301302132033333
512430314402142024411
6144144522105530451
76240161436551566
oct667746162361777
9128036842440814
1030233110111231
1196a6876533945
1234834674a3a27
1313b3c7c27b901
1476740c982bdd
15376674e1b721
hex1b7f31c9e3ff

30233110111231 has 4 divisors (see below), whose sum is σ = 30233316572200. Its totient is φ = 30232903650264.

The previous prime is 30233110111223. The next prime is 30233110111271. The reversal of 30233110111231 is 13211101133203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30233110111231 - 23 = 30233110111223 is a prime.

It is a super-2 number, since 2×302331101112312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233110111271) 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 3 ways as a sum of consecutive naturals, for example, 103010676 + ... + 103303753.

It is an arithmetic number, because the mean of its divisors is an integer number (7558329143050).

Almost surely, 230233110111231 is an apocalyptic number.

30233110111231 is a deficient number, since it is larger than the sum of its proper divisors (206460969).

30233110111231 is a wasteful number, since it uses less digits than its factorization.

30233110111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206460968.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 30233110111231 its reverse (13211101133203), we get a palindrome (43444211244434).

The spelling of 30233110111231 in words is "thirty trillion, two hundred thirty-three billion, one hundred ten million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 146539 206314429 30233110111231