Search a number
-
+
31311123312114 = 2332232600159717
BaseRepresentation
bin1110001111010001100000…
…11000011110110111110010
311002212022111000112000101000
413013220300120132313302
513101000140031441424
6150332044222022430
76411103552561152
oct707506030366762
9132768430460330
1031311123312114
119a81a77915278
12361837ba17a16
13146181ab77679
147a3675d44762
1539471a4ea3c9
hex1c7a3061edf2

31311123312114 has 32 divisors (see below), whose sum is σ = 69892293219840. Its totient is φ = 10390238225136.

The previous prime is 31311123312043. The next prime is 31311123312281. The reversal of 31311123312114 is 41121332111313.

31311123312114 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 112 + 331 + 211 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300067817 + ... + 1300091900.

It is an arithmetic number, because the mean of its divisors is an integer number (2184134163120).

Almost surely, 231311123312114 is an apocalyptic number.

31311123312114 is an abundant number, since it is smaller than the sum of its proper divisors (38581169907726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31311123312114 is a wasteful number, since it uses less digits than its factorization.

31311123312114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600159951 (or 2600159945 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 31311123312114 its reverse (41121332111313), we get a palindrome (72432455423427).

The spelling of 31311123312114 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-three million, three hundred twelve thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 223 446 669 1338 2007 4014 6021 12042 2600159717 5200319434 7800479151 15600958302 23401437453 46802874906 70204312359 140408624718 579835616891 1159671233782 1739506850673 3479013701346 5218520552019 10437041104038 15655561656057 31311123312114