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10312131114 = 233947201653
BaseRepresentation
bin10011001101010011…
…01010001000101010
3222121200002112112000
421212221222020222
5132104401143424
64423132431430
7513354445125
oct114651521052
928550075460
1010312131114
114411a2480a
121bb9618576
13c84574b3c
146db7b33bc
154054b63c9
hex266a6a22a

10312131114 has 32 divisors (see below), whose sum is σ = 22940159040. Its totient is φ = 3433730256.

The previous prime is 10312131107. The next prime is 10312131119. The reversal of 10312131114 is 41113121301.

It is a happy number.

It is a super-2 number, since 2×103121311142 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10312131119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49689 + ... + 151964.

It is an arithmetic number, because the mean of its divisors is an integer number (716879970).

Almost surely, 210312131114 is an apocalyptic number.

10312131114 is an abundant number, since it is smaller than the sum of its proper divisors (12628027926).

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

10312131114 is a wasteful number, since it uses less digits than its factorization.

10312131114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202611 (or 202605 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10312131114 its reverse (41113121301), we get a palindrome (51425252415).

The spelling of 10312131114 in words is "ten billion, three hundred twelve million, one hundred thirty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 947 1894 2841 5682 8523 17046 25569 51138 201653 403306 604959 1209918 1814877 3629754 5444631 10889262 190965391 381930782 572896173 1145792346 1718688519 3437377038 5156065557 10312131114