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31342545854671 is a prime number
BaseRepresentation
bin1110010000001100000010…
…10011111110000011001111
311002222022120220120120021111
413020012001103332003033
513102004013214322141
6150354322232112451
76413265335021332
oct710060123760317
9132868526516244
1031342545854671
119a94332044607
12362248b235727
131464787b81a0c
147a4db728c619
15395458e6d381
hex1c81814fe0cf

31342545854671 has 2 divisors, whose sum is σ = 31342545854672. Its totient is φ = 31342545854670.

The previous prime is 31342545854647. The next prime is 31342545854699. The reversal of 31342545854671 is 17645854524313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31342545854671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31342545854771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671272927335 + 15671272927336.

It is an arithmetic number, because the mean of its divisors is an integer number (15671272927336).

Almost surely, 231342545854671 is an apocalyptic number.

31342545854671 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342545854671 is an equidigital number, since it uses as much as digits as its factorization.

31342545854671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 58.

The spelling of 31342545854671 in words is "thirty-one trillion, three hundred forty-two billion, five hundred forty-five million, eight hundred fifty-four thousand, six hundred seventy-one".