Search a number
-
+
312010011111 = 323374119715131
BaseRepresentation
bin1001000101001010011…
…11101111000111100111
31002211100111212210202110
410202211033233013213
520102444030323421
6355200241212103
731353620223111
oct4424517570747
91084314783673
10312010011111
11110360576417
1250577631033
132356508a066
141115c2083b1
1581b1c5aa76
hex48a53ef1e7

312010011111 has 64 divisors (see below), whose sum is σ = 459055973376. Its totient is φ = 187892812800.

The previous prime is 312010011083. The next prime is 312010011113. The reversal of 312010011111 is 111110010213.

It is not a de Polignac number, because 312010011111 - 210 = 312010010087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312010011113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20613016 + ... + 20628146.

It is an arithmetic number, because the mean of its divisors is an integer number (7172749584).

Almost surely, 2312010011111 is an apocalyptic number.

312010011111 is a deficient number, since it is larger than the sum of its proper divisors (147045962265).

312010011111 is a wasteful number, since it uses less digits than its factorization.

312010011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 312010011111 its reverse (111110010213), we get a palindrome (423120021324).

The spelling of 312010011111 in words is "three hundred twelve billion, ten million, eleven thousand, one hundred eleven".

Divisors: 1 3 23 37 41 69 111 123 197 591 851 943 1517 2553 2829 4531 4551 7289 8077 13593 15131 21867 24231 34891 45393 104673 167647 185771 298849 348013 502941 557313 559847 620371 896547 1044039 1679541 1861113 2980807 6873527 8942421 12876481 14268533 20620581 22953727 38629443 42805599 68558561 68861181 110289859 122213087 205675683 330869577 366639261 527935721 1583807163 2536666757 2810901001 4521884219 7610000271 8432703003 13565652657 104003337037 312010011111