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311424907 is a prime number
BaseRepresentation
bin10010100011111…
…111011110001011
3210201000000122211
4102203333132023
51114211044112
650522525551
710501032223
oct2243773613
9721000584
10311424907
1114a878162
12883668b7
134c69b0c1
142d509083
151c5190a7
hex128ff78b

311424907 has 2 divisors, whose sum is σ = 311424908. Its totient is φ = 311424906.

The previous prime is 311424871. The next prime is 311424923. The reversal of 311424907 is 709424113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311424907 - 223 = 303036299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (311424937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155712453 + 155712454.

It is an arithmetic number, because the mean of its divisors is an integer number (155712454).

Almost surely, 2311424907 is an apocalyptic number.

311424907 is a deficient number, since it is larger than the sum of its proper divisors (1).

311424907 is an equidigital number, since it uses as much as digits as its factorization.

311424907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 311424907 is about 17647.2351092175. The cubic root of 311424907 is about 677.8253096579.

The spelling of 311424907 in words is "three hundred eleven million, four hundred twenty-four thousand, nine hundred seven".