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3112022131 = 19316124467
BaseRepresentation
bin1011100101111101…
…1011000001110011
322000212211002210221
42321133123001303
522333134202011
61232445233511
7140055515551
oct27137330163
98025732727
103112022131
111357723319
1272a262897
133a797711a
14217446bd1
15133320971
hexb97db073

3112022131 has 4 divisors (see below), whose sum is σ = 3128146792. Its totient is φ = 3095897472.

The previous prime is 3112022113. The next prime is 3112022189. The reversal of 3112022131 is 1312202113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3112022131 - 217 = 3111891059 is a prime.

It is a super-2 number, since 2×31120221312 = 19369363487667562322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112022731) 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 3 ways as a sum of consecutive naturals, for example, 8062041 + ... + 8062426.

It is an arithmetic number, because the mean of its divisors is an integer number (782036698).

Almost surely, 23112022131 is an apocalyptic number.

3112022131 is a deficient number, since it is larger than the sum of its proper divisors (16124661).

3112022131 is a wasteful number, since it uses less digits than its factorization.

3112022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124660.

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

The square root of 3112022131 is about 55785.5010822705. The cubic root of 3112022131 is about 1459.9821932838.

Adding to 3112022131 its reverse (1312202113), we get a palindrome (4424224244).

The spelling of 3112022131 in words is "three billion, one hundred twelve million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 193 16124467 3112022131