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1340481470431 is a prime number
BaseRepresentation
bin10011100000011010111…
…010111111111111011111
311202011000110101012222211
4103200122322333333133
5133430301224023211
62503450402021251
7165563244333145
oct23403272777737
94664013335884
101340481470431
11477549931084
12197964647827
1399539b44a3c
1448c45a87595
1524d07d14e21
hex1381aebffdf

1340481470431 has 2 divisors, whose sum is σ = 1340481470432. Its totient is φ = 1340481470430.

The previous prime is 1340481470401. The next prime is 1340481470459. The reversal of 1340481470431 is 1340741840431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340481470431 - 27 = 1340481470303 is a prime.

It is a super-2 number, since 2×13404814704312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340481470401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670240735215 + 670240735216.

It is an arithmetic number, because the mean of its divisors is an integer number (670240735216).

Almost surely, 21340481470431 is an apocalyptic number.

1340481470431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340481470431 is an equidigital number, since it uses as much as digits as its factorization.

1340481470431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 1340481470431 in words is "one trillion, three hundred forty billion, four hundred eighty-one million, four hundred seventy thousand, four hundred thirty-one".