Search a number
-
+
3102211123 = 11282019193
BaseRepresentation
bin1011100011100111…
…1111110000110011
322000012100122122021
42320321333300303
522323131223443
61231455052311
7136606234204
oct27071776063
98005318567
103102211123
111352132150
12726b11097
133a59205ab
142160115ab
151325339ed
hexb8e7fc33

3102211123 has 4 divisors (see below), whose sum is σ = 3384230328. Its totient is φ = 2820191920.

The previous prime is 3102211121. The next prime is 3102211127. The reversal of 3102211123 is 3211122013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211122013 = 11291920183.

It is a cyclic number.

It is not a de Polignac number, because 3102211123 - 21 = 3102211121 is a prime.

It is a super-2 number, since 2×31022111232 = 19247427703329842258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102211097 and 3102211106.

It is not an unprimeable number, because it can be changed into a prime (3102211121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141009586 + ... + 141009607.

It is an arithmetic number, because the mean of its divisors is an integer number (846057582).

Almost surely, 23102211123 is an apocalyptic number.

3102211123 is a deficient number, since it is larger than the sum of its proper divisors (282019205).

3102211123 is a wasteful number, since it uses less digits than its factorization.

3102211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282019204.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3102211123 is about 55697.4965595403. The cubic root of 3102211123 is about 1458.4463241745.

Adding to 3102211123 its reverse (3211122013), we get a palindrome (6313333136).

The spelling of 3102211123 in words is "three billion, one hundred two million, two hundred eleven thousand, one hundred twenty-three".

Divisors: 1 11 282019193 3102211123