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2113330131 = 3211154913781
BaseRepresentation
bin111110111110110…
…1101101111010011
312110021121021221100
41331331231233103
513312003031011
6545411555443
7103241003223
oct17575555723
95407537840
102113330131
11994a13230
124ab8bbb83
13278aa7403
1416095a083
15c57ebd56
hex7df6dbd3

2113330131 has 24 divisors (see below), whose sum is σ = 3332487600. Its totient is φ = 1279886400.

The previous prime is 2113330127. The next prime is 2113330139. The reversal of 2113330131 is 1310333112.

It is a happy number.

It is not a de Polignac number, because 2113330131 - 22 = 2113330127 is a prime.

It is a super-2 number, since 2×21133301312 = 8932328485184954322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113330139) 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 23 ways as a sum of consecutive naturals, for example, 146461 + ... + 160241.

It is an arithmetic number, because the mean of its divisors is an integer number (138853650).

Almost surely, 22113330131 is an apocalyptic number.

2113330131 is a deficient number, since it is larger than the sum of its proper divisors (1219157469).

2113330131 is a wasteful number, since it uses less digits than its factorization.

2113330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347 (or 15344 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2113330131 is about 45970.9705248867. The cubic root of 2113330131 is about 1283.2830214867.

Adding to 2113330131 its reverse (1310333112), we get a palindrome (3423663243).

The spelling of 2113330131 in words is "two billion, one hundred thirteen million, three hundred thirty thousand, one hundred thirty-one".

Divisors: 1 3 9 11 33 99 1549 4647 13781 13941 17039 41343 51117 124029 151591 153351 454773 1364319 21346769 64040307 192120921 234814459 704443377 2113330131