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311130419 is a prime number
BaseRepresentation
bin10010100010110…
…111100100110011
3210200110001200212
4102202313210303
51114122133134
650512334335
710465364525
oct2242674463
9720401625
10311130419
1114a696986
12882443ab
134c5c7052
142d46da15
151c4abbce
hex128b7933

311130419 has 2 divisors, whose sum is σ = 311130420. Its totient is φ = 311130418.

The previous prime is 311130389. The next prime is 311130431. The reversal of 311130419 is 914031113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311130419 - 228 = 42694963 is a prime.

It is a super-2 number, since 2×3111304192 = 193604275254231122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311130394 and 311130403.

It is not a weakly prime, because it can be changed into another prime (311130319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155565209 + 155565210.

It is an arithmetic number, because the mean of its divisors is an integer number (155565210).

Almost surely, 2311130419 is an apocalyptic number.

311130419 is a deficient number, since it is larger than the sum of its proper divisors (1).

311130419 is an equidigital number, since it uses as much as digits as its factorization.

311130419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 311130419 is about 17638.8893924759. The cubic root of 311130419 is about 677.6115883970.

The spelling of 311130419 in words is "three hundred eleven million, one hundred thirty thousand, four hundred nineteen".