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2131103322 = 232295340093
BaseRepresentation
bin111111100000110…
…0000111001011010
312111112001021011200
41333001200321122
513331030301242
6551244535030
7103545036135
oct17701407132
95445037150
102131103322
119a3a52517
124b5851476
1327c68b0aa
1416306521c
15c715d04c
hex7f060e5a

2131103322 has 24 divisors (see below), whose sum is σ = 4619069364. Its totient is φ = 710109504.

The previous prime is 2131103321. The next prime is 2131103347. The reversal of 2131103322 is 2233011312.

2131103322 is a `hidden beast` number, since 21 + 311 + 0 + 332 + 2 = 666.

2131103322 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2110391721 + 20711601 = 45939^2 + 4551^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2131103295 and 2131103304.

It is not an unprimeable number, because it can be changed into a prime (2131103321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33108 + ... + 73200.

Almost surely, 22131103322 is an apocalyptic number.

2131103322 is an abundant number, since it is smaller than the sum of its proper divisors (2487966042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131103322 is a wasteful number, since it uses less digits than its factorization.

2131103322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43054 (or 43051 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2131103322 is about 46163.8746424084. The cubic root of 2131103322 is about 1286.8704705338.

Adding to 2131103322 its reverse (2233011312), we get a palindrome (4364114634).

The spelling of 2131103322 in words is "two billion, one hundred thirty-one million, one hundred three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 2953 5906 8859 17718 26577 40093 53154 80186 120279 240558 360837 721674 118394629 236789258 355183887 710367774 1065551661 2131103322