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310134421 is a prime number
BaseRepresentation
bin10010011111000…
…100011010010101
3210121120110110001
4102133010122111
51113343300141
650435131301
710454045662
oct2237043225
9717513401
10310134421
1114a076643
1287a43b31
134c3388bc
142d290a69
151c361a31
hex127c4695

310134421 has 2 divisors, whose sum is σ = 310134422. Its totient is φ = 310134420.

The previous prime is 310134413. The next prime is 310134427. The reversal of 310134421 is 124431013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196392196 + 113742225 = 14014^2 + 10665^2 .

It is a cyclic number.

It is not a de Polignac number, because 310134421 - 23 = 310134413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155067210 + 155067211.

It is an arithmetic number, because the mean of its divisors is an integer number (155067211).

Almost surely, 2310134421 is an apocalyptic number.

It is an amenable number.

310134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

310134421 is an equidigital number, since it uses as much as digits as its factorization.

310134421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 310134421 is about 17610.6337478241. The cubic root of 310134421 is about 676.8877534204.

Adding to 310134421 its reverse (124431013), we get a palindrome (434565434).

The spelling of 310134421 in words is "three hundred ten million, one hundred thirty-four thousand, four hundred twenty-one".