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312024131 is a prime number
BaseRepresentation
bin10010100110010…
…001110001000011
3210202010110122022
4102212101301003
51114334233011
650543432055
710506106226
oct2246216103
9722113568
10312024131
11150147391
12885b562b
134c84aa83
142d6235bd
151c5d68db
hex12991c43

312024131 has 2 divisors, whose sum is σ = 312024132. Its totient is φ = 312024130.

The previous prime is 312024127. The next prime is 312024133. The reversal of 312024131 is 131420213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312024131 - 22 = 312024127 is a prime.

It is a super-2 number, since 2×3120241312 = 194718116652610322, which contains 22 as substring.

Together with 312024133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312024133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156012065 + 156012066.

It is an arithmetic number, because the mean of its divisors is an integer number (156012066).

Almost surely, 2312024131 is an apocalyptic number.

312024131 is a deficient number, since it is larger than the sum of its proper divisors (1).

312024131 is an equidigital number, since it uses as much as digits as its factorization.

312024131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 312024131 is about 17664.2047938762. The cubic root of 312024131 is about 678.2597739049.

Adding to 312024131 its reverse (131420213), we get a palindrome (443444344).

The spelling of 312024131 in words is "three hundred twelve million, twenty-four thousand, one hundred thirty-one".