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1431315023 is a prime number
BaseRepresentation
bin101010101010000…
…0010001001001111
310200202021100002112
41111110002021033
510412404040043
6354010014235
750316656045
oct12524021117
93622240075
101431315023
11674a38186
1233b41737b
1319a6c4188
14d8144395
15859cd518
hex5550224f

1431315023 has 2 divisors, whose sum is σ = 1431315024. Its totient is φ = 1431315022.

The previous prime is 1431315007. The next prime is 1431315029. The reversal of 1431315023 is 3205131341.

It is a strong prime.

It is an emirp because it is prime and its reverse (3205131341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1431315023 - 24 = 1431315007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1431315023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431315029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715657511 + 715657512.

It is an arithmetic number, because the mean of its divisors is an integer number (715657512).

Almost surely, 21431315023 is an apocalyptic number.

1431315023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431315023 is an equidigital number, since it uses as much as digits as its factorization.

1431315023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1431315023 is about 37832.7242344508. The cubic root of 1431315023 is about 1126.9684117719.

Adding to 1431315023 its reverse (3205131341), we get a palindrome (4636446364).

The spelling of 1431315023 in words is "one billion, four hundred thirty-one million, three hundred fifteen thousand, twenty-three".