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11031311102 = 2722910138431
BaseRepresentation
bin10100100011000010…
…00111001011111110
31001110210100122222212
422101201013023332
5140043003423402
65022343140422
7540236411600
oct122141071376
931423318885
1011031311102
114750984339
12217a444712
13106a56b326
14769101170
154486c6952
hex2918472fe

11031311102 has 48 divisors (see below), whose sum is σ = 20109928320. Its totient is φ = 4519368000.

The previous prime is 11031311087. The next prime is 11031311107. The reversal of 11031311102 is 20111313011.

It is a happy number.

11031311102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031311107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267827 + ... + 306257.

It is an arithmetic number, because the mean of its divisors is an integer number (418956840).

Almost surely, 211031311102 is an apocalyptic number.

11031311102 is a deficient number, since it is larger than the sum of its proper divisors (9078617218).

11031311102 is a wasteful number, since it uses less digits than its factorization.

11031311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38577 (or 38570 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11031311102 its reverse (20111313011), we get a palindrome (31142624113).

The spelling of 11031311102 in words is "eleven billion, thirty-one million, three hundred eleven thousand, one hundred two".

Divisors: 1 2 7 14 29 49 58 98 101 202 203 406 707 1414 1421 2842 2929 4949 5858 9898 20503 38431 41006 76862 143521 269017 287042 538034 1114499 1883119 2228998 3766238 3881531 7763062 7801493 15602986 27170717 54341434 54610451 109220902 112564399 190195019 225128798 380390038 787950793 1575901586 5515655551 11031311102