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10311441213 = 323443337339
BaseRepresentation
bin10011001101001110…
…00001101100111101
3222121121210111011010
421212213001230331
5132104212104323
64423105545433
7513345542553
oct114647015475
928547714133
1010311441213
1144115a3447
121bb9345279
13c84392b08
146db673bd3
154053cbc93
hex2669c1b3d

10311441213 has 16 divisors (see below), whose sum is σ = 14378780160. Its totient is φ = 6560549424.

The previous prime is 10311441191. The next prime is 10311441241. The reversal of 10311441213 is 31214411301.

It is not a de Polignac number, because 10311441213 - 25 = 10311441181 is a prime.

It is a super-2 number, since 2×103114412132 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10311441213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311441253) 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, 138103 + ... + 199236.

It is an arithmetic number, because the mean of its divisors is an integer number (898673760).

Almost surely, 210311441213 is an apocalyptic number.

It is an amenable number.

10311441213 is a deficient number, since it is larger than the sum of its proper divisors (4067338947).

10311441213 is a wasteful number, since it uses less digits than its factorization.

10311441213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337808.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10311441213 its reverse (31214411301), we get a palindrome (41525852514).

The spelling of 10311441213 in words is "ten billion, three hundred eleven million, four hundred forty-one thousand, two hundred thirteen".

Divisors: 1 3 23 69 443 1329 10189 30567 337339 1012017 7758797 23276391 149441177 448323531 3437147071 10311441213