Search a number
-
+
31301121213033 = 3759190713247621
BaseRepresentation
bin1110001110111110111000…
…01101100000001001101001
311002211100122221210201211220
413013133130031200021221
513100314144012304113
6150323311522212253
76410300651254350
oct707373415401151
9132740587721756
1031301121213033
119a788049a7191
12361644a1b4089
1314608b5903949
147a2da77d6997
15394332375523
hex1c77dc360269

31301121213033 has 32 divisors (see below), whose sum is σ = 48530808529920. Its totient is φ = 17573974749120.

The previous prime is 31301121213031. The next prime is 31301121213059. The reversal of 31301121213033 is 33031212110313.

It is not a de Polignac number, because 31301121213033 - 21 = 31301121213031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31301121212994 and 31301121213012.

It is not an unprimeable number, because it can be changed into a prime (31301121213031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261038 + ... + 8986583.

It is an arithmetic number, because the mean of its divisors is an integer number (1516587766560).

Almost surely, 231301121213033 is an apocalyptic number.

It is an amenable number.

31301121213033 is a deficient number, since it is larger than the sum of its proper divisors (17229687316887).

31301121213033 is a wasteful number, since it uses less digits than its factorization.

31301121213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13249597.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31301121213033 its reverse (33031212110313), we get a palindrome (64332333323346).

The spelling of 31301121213033 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-one million, two hundred thirteen thousand, thirty-three".

Divisors: 1 3 7 21 59 177 413 1239 1907 5721 13349 40047 112513 337539 787591 2362773 13247621 39742863 92733347 278200041 781609639 2344828917 5471267473 16413802419 25263213247 75789639741 176842492729 530527478187 1490529581573 4471588744719 10433707071011 31301121213033