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2230031231 = 47174127253
BaseRepresentation
bin1000010011101011…
…1001001101111111
312202102012022202022
42010322321031333
514031341444411
61005141150355
7106155644531
oct20472711577
95672168668
102230031231
11a4488151a
125229bb3bb
1329701790c
14172257851
15d0b9eedb
hex84eb937f

2230031231 has 8 divisors (see below), whose sum is σ = 2278870464. Its totient is φ = 2181250080.

The previous prime is 2230031207. The next prime is 2230031239. The reversal of 2230031231 is 1321300322.

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 2230031231 - 214 = 2230014847 is a prime.

It is a super-2 number, since 2×22300312312 = 9946078582470750722, which 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 (2230031239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68201 + ... + 95453.

It is an arithmetic number, because the mean of its divisors is an integer number (284858808).

Almost surely, 22230031231 is an apocalyptic number.

2230031231 is a deficient number, since it is larger than the sum of its proper divisors (48839233).

2230031231 is a wasteful number, since it uses less digits than its factorization.

2230031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29041.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2230031231 is about 47223.2064879123. The cubic root of 2230031231 is about 1306.4826551827.

Adding to 2230031231 its reverse (1321300322), we get a palindrome (3551331553).

The spelling of 2230031231 in words is "two billion, two hundred thirty million, thirty-one thousand, two hundred thirty-one".

Divisors: 1 47 1741 27253 81827 1280891 47447473 2230031231