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2031212032231 = 23313276569441
BaseRepresentation
bin11101100011101101101…
…010111111000011100111
321012011220122210100222211
4131203231222333003213
5231234410240012411
64153043111104251
7266515220254414
oct35435552770347
97164818710884
102031212032231
11713483269648
122897b4972087
13119708a744b5
147044dc7b10b
1537c8321c221
hex1d8edabf0e7

2031212032231 has 8 divisors (see below), whose sum is σ = 2041467240384. Its totient is φ = 2020969966080.

The previous prime is 2031212032193. The next prime is 2031212032259. The reversal of 2031212032231 is 1322302121302.

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 2031212032231 - 27 = 2031212032103 is a prime.

It is a super-2 number, since 2×20312120322312 (a number of 25 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 (2031212032271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975530 + ... + 3593911.

It is an arithmetic number, because the mean of its divisors is an integer number (255183405048).

Almost surely, 22031212032231 is an apocalyptic number.

2031212032231 is a deficient number, since it is larger than the sum of its proper divisors (10255208153).

2031212032231 is a wasteful number, since it uses less digits than its factorization.

2031212032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571001.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2031212032231 its reverse (1322302121302), we get a palindrome (3353514153533).

The spelling of 2031212032231 in words is "two trillion, thirty-one billion, two hundred twelve million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 233 1327 309191 6569441 1530679753 8717648207 2031212032231