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2131113103 = 72231365223
BaseRepresentation
bin111111100000110…
…0011010010001111
312111112001202120221
41333001203102033
513331031104403
6551245052211
7103545106510
oct17701432217
95445052527
102131113103
119a3a598a9
124b5857067
1327c692692
14163068a07
15c7160dbd
hex7f06348f

2131113103 has 8 divisors (see below), whose sum is σ = 2446481408. Its totient is φ = 1818475704.

The previous prime is 2131113079. The next prime is 2131113107. The reversal of 2131113103 is 3013111312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131113103 - 229 = 1594242191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131113107) 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 7 ways as a sum of consecutive naturals, for example, 681051 + ... + 684172.

It is an arithmetic number, because the mean of its divisors is an integer number (305810176).

Almost surely, 22131113103 is an apocalyptic number.

2131113103 is a deficient number, since it is larger than the sum of its proper divisors (315368305).

2131113103 is a wasteful number, since it uses less digits than its factorization.

2131113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365453.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2131113103 is about 46163.9805801016. The cubic root of 2131113103 is about 1286.8724392888.

Adding to 2131113103 its reverse (3013111312), we get a palindrome (5144224415).

The spelling of 2131113103 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred three".

Divisors: 1 7 223 1561 1365223 9556561 304444729 2131113103