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31302312230002 = 2116823208534717
BaseRepresentation
bin1110001111000001000110…
…01100110111110001110010
311002211110201221220122222111
413013200203030313301302
513100324113412330002
6150324030025555534
76410342322610132
oct707404314676162
9132743657818874
1031302312230002
119a79266227930
123616721045baa
131460a455a1408
147a307ba68ac2
153943a1bd93d7
hex1c7823337c72

31302312230002 has 16 divisors (see below), whose sum is σ = 51229472962752. Its totient is φ = 14226238325520.

The previous prime is 31302312229843. The next prime is 31302312230003. The reversal of 31302312230002 is 20003221320313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31302312230003) 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 7 ways as a sum of consecutive naturals, for example, 104117253 + ... + 104417464.

It is an arithmetic number, because the mean of its divisors is an integer number (3201842060172).

Almost surely, 231302312230002 is an apocalyptic number.

31302312230002 is a deficient number, since it is larger than the sum of its proper divisors (19927160732750).

31302312230002 is a wasteful number, since it uses less digits than its factorization.

31302312230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208541553.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31302312230002 its reverse (20003221320313), we get a palindrome (51305533550315).

The spelling of 31302312230002 in words is "thirty-one trillion, three hundred two billion, three hundred twelve million, two hundred thirty thousand, two".

Divisors: 1 2 11 22 6823 13646 75053 150106 208534717 417069434 2293881887 4587763774 1422832374091 2845664748182 15651156115001 31302312230002