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104311311 = 31319231239
BaseRepresentation
bin1100011011110…
…10101000001111
321021021120012220
412031322220033
5203200430221
614203430423
72404426416
oct615725017
9237246186
10104311311
11539766a5
122ab25413
13187c2c90
14dbd447d
1592570c6
hex637aa0f

104311311 has 48 divisors (see below), whose sum is σ = 163860480. Its totient is φ = 58605120.

The previous prime is 104311301. The next prime is 104311313. The reversal of 104311311 is 113113401.

It is not a de Polignac number, because 104311311 - 29 = 104310799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104311313) 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, 436330 + ... + 436568.

It is an arithmetic number, because the mean of its divisors is an integer number (3413760).

Almost surely, 2104311311 is an apocalyptic number.

104311311 is a deficient number, since it is larger than the sum of its proper divisors (59549169).

104311311 is a wasteful number, since it uses less digits than its factorization.

104311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 104311311 is about 10213.2908996072. The cubic root of 104311311 is about 470.7356985604.

Adding to 104311311 its reverse (113113401), we get a palindrome (217424712).

The spelling of 104311311 in words is "one hundred four million, three hundred eleven thousand, three hundred eleven".

Divisors: 1 3 13 19 31 39 57 93 239 247 361 403 589 717 741 1083 1209 1767 3107 4541 4693 7409 7657 9321 11191 13623 14079 22227 22971 33573 59033 86279 96317 140771 145483 177099 258837 288951 422313 436449 1121627 1830023 2674649 3364881 5490069 8023947 34770437 104311311