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3122110031 = 47213110789
BaseRepresentation
bin1011101000010111…
…1001111001001111
322001120210121210212
42322011321321033
522343230010111
61233445353035
7140240332415
oct27205717117
98046717725
103122110031
111362393527
1273170877b
133a9a999b1
142189112b5
1513416498b
hexba179e4f

3122110031 has 12 divisors (see below), whose sum is σ = 3214599960. Its totient is φ = 3032075280.

The previous prime is 3122110003. The next prime is 3122110049. The reversal of 3122110031 is 1300112213.

It is not a de Polignac number, because 3122110031 - 26 = 3122109967 is a prime.

It is a super-2 number, since 2×31221100312 = 19495142091341641922, 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 = 3122109988 and 3122110015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122110931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283985 + ... + 294773.

It is an arithmetic number, because the mean of its divisors is an integer number (267883330).

Almost surely, 23122110031 is an apocalyptic number.

3122110031 is a deficient number, since it is larger than the sum of its proper divisors (92489929).

3122110031 is a wasteful number, since it uses less digits than its factorization.

3122110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014 (or 10967 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3122110031 is about 55875.8447900343. The cubic root of 3122110031 is about 1461.5580463394.

Adding to 3122110031 its reverse (1300112213), we get a palindrome (4422222244).

The spelling of 3122110031 in words is "three billion, one hundred twenty-two million, one hundred ten thousand, thirty-one".

Divisors: 1 47 131 2209 6157 10789 289379 507083 1413359 23832901 66427873 3122110031