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2131102133 = 17711765619
BaseRepresentation
bin111111100000110…
…0000100110110101
312111112001012112122
41333001200212311
513331030232013
6551244525325
7103545032516
oct17701404665
95445035478
102131102133
119a3a51636
124b5850845
1327c68a6a4
14163064a0d
15c715ca08
hex7f0609b5

2131102133 has 8 divisors (see below), whose sum is σ = 2288243520. Its totient is φ = 1977492160.

The previous prime is 2131102097. The next prime is 2131102163. The reversal of 2131102133 is 3312011312.

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 2131102133 - 28 = 2131101877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131102163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881603 + ... + 884016.

It is an arithmetic number, because the mean of its divisors is an integer number (286030440).

Almost surely, 22131102133 is an apocalyptic number.

It is an amenable number.

2131102133 is a deficient number, since it is larger than the sum of its proper divisors (157141387).

2131102133 is a wasteful number, since it uses less digits than its factorization.

2131102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765707.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131102133 is about 46163.8617643715. The cubic root of 2131102133 is about 1286.8702312072.

Adding to 2131102133 its reverse (3312011312), we get a palindrome (5443113445).

The spelling of 2131102133 in words is "two billion, one hundred thirty-one million, one hundred two thousand, one hundred thirty-three".

Divisors: 1 17 71 1207 1765619 30015523 125358949 2131102133