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31042421401199 = 13213715730727817
BaseRepresentation
bin1110000111011101000001…
…00000000010011001101111
311001220121220201110122110112
413003232200200002121233
513032044334334314244
6150004405211330235
76352512066165605
oct703564040023157
9131817821418415
1031042421401199
1199890206745aa
12359429015097b
13144239832a100
147946657d1875
1538c7408c939e
hex1c3ba080266f

31042421401199 has 48 divisors (see below), whose sum is σ = 34187227528608. Its totient is φ = 28171126204416.

The previous prime is 31042421401157. The next prime is 31042421401241. The reversal of 31042421401199 is 99110412424013.

It is an interprime number because it is at equal distance from previous prime (31042421401157) and next prime (31042421401241).

It is not a de Polignac number, because 31042421401199 - 212 = 31042421397103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042421401139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1115937539 + ... + 1115965355.

It is an arithmetic number, because the mean of its divisors is an integer number (712233906846).

Almost surely, 231042421401199 is an apocalyptic number.

31042421401199 is a deficient number, since it is larger than the sum of its proper divisors (3144806127409).

31042421401199 is a wasteful number, since it uses less digits than its factorization.

31042421401199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444 (or 28431 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 31042421401199 in words is "thirty-one trillion, forty-two billion, four hundred twenty-one million, four hundred one thousand, one hundred ninety-nine".

Divisors: 1 13 137 157 169 307 1781 2041 3991 21509 23153 26533 27817 42059 48199 51883 279617 361621 546767 626587 3635021 3810929 4367269 4701073 6603263 7107971 8145631 8539819 49542077 56774497 85842419 111017647 598315853 644047001 738068461 1115951447 1169955203 1340751583 1443229411 7778106089 15209417639 17429770579 101115379157 183682966871 197722429307 226587017527 2387878569323 31042421401199