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31302144120313 = 11210122711283439
BaseRepresentation
bin1110001111000000110010…
…01011100101010111111001
311002211110022020120210211201
413013200121023211113321
513100323242343322223
6150324001222454201
76410335211653333
oct707403113452771
9132743266523751
1031302144120313
119a7918a346600
123616694894361
131460a19801621
147a30635c8453
1539439207dead
hex1c78192e55f9

31302144120313 has 24 divisors (see below), whose sum is σ = 34900221525120. Its totient is φ = 28050626868000.

The previous prime is 31302144120277. The next prime is 31302144120347.

31302144120313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31302144120313 - 241 = 29103120864761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302144120383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2867553 + ... + 8415886.

It is an arithmetic number, because the mean of its divisors is an integer number (1454175896880).

Almost surely, 231302144120313 is an apocalyptic number.

It is an amenable number.

31302144120313 is a deficient number, since it is larger than the sum of its proper divisors (3598077404807).

31302144120313 is a wasteful number, since it uses less digits than its factorization.

31302144120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283789 (or 11283778 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 3130214 and 4120313, that added together give a palindrome (7250527).

The spelling of 31302144120313 in words is "thirty-one trillion, three hundred two billion, one hundred forty-four million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 11 101 121 227 1111 2497 12221 22927 27467 252197 2774167 11283439 124117829 1139627339 1365296119 2561340653 12535900729 28174747183 137894908019 258695405953 309922219013 2845649465483 31302144120313