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313031419 is a prime number
BaseRepresentation
bin10010101010000…
…111101011111011
3210211000122101021
4102222013223323
51120114001134
651021203311
710520503021
oct2252075373
9724018337
10313031419
11150775158
1288a00537
134cb113bc
142d806711
151c7350b4
hex12a87afb

313031419 has 2 divisors, whose sum is σ = 313031420. Its totient is φ = 313031418.

The previous prime is 313031401. The next prime is 313031461. The reversal of 313031419 is 914130313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313031419 - 27 = 313031291 is a prime.

It is a super-2 number, since 2×3130314192 = 195977338562307122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313031393 and 313031402.

It is not a weakly prime, because it can be changed into another prime (313035419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156515709 + 156515710.

It is an arithmetic number, because the mean of its divisors is an integer number (156515710).

Almost surely, 2313031419 is an apocalyptic number.

313031419 is a deficient number, since it is larger than the sum of its proper divisors (1).

313031419 is an equidigital number, since it uses as much as digits as its factorization.

313031419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 313031419 is about 17692.6939441115. The cubic root of 313031419 is about 678.9888511339.

The spelling of 313031419 in words is "three hundred thirteen million, thirty-one thousand, four hundred nineteen".