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2231032031 = 29372079247
BaseRepresentation
bin1000010011111010…
…1101100011011111
312202111002011120222
42010332231203133
514032121011111
61005214431555
7106200313364
oct20476554337
95674064528
102231032031
11a453a5428
125232025bb
132972a82c7
1417243846b
15d0ceb7db
hex84fad8df

2231032031 has 8 divisors (see below), whose sum is σ = 2370342720. Its totient is φ = 2095879968.

The previous prime is 2231032021. The next prime is 2231032033. The reversal of 2231032031 is 1302301322.

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 2231032031 - 218 = 2230769887 is a prime.

It is a super-3 number, since 3×22310320313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231032033) 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, 1038551 + ... + 1040696.

It is an arithmetic number, because the mean of its divisors is an integer number (296292840).

Almost surely, 22231032031 is an apocalyptic number.

2231032031 is a deficient number, since it is larger than the sum of its proper divisors (139310689).

2231032031 is a wasteful number, since it uses less digits than its factorization.

2231032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079313.

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

The square root of 2231032031 is about 47233.8017843154. The cubic root of 2231032031 is about 1306.6780683341.

Adding to 2231032031 its reverse (1302301322), we get a palindrome (3533333353).

The spelling of 2231032031 in words is "two billion, two hundred thirty-one million, thirty-two thousand, thirty-one".

Divisors: 1 29 37 1073 2079247 60298163 76932139 2231032031