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31741461589 is a prime number
BaseRepresentation
bin11101100011111100…
…000100010001010101
310000221010011022120111
4131203330010101111
51010001303232324
622325401403021
72202403654225
oct354374042125
9100833138514
1031741461589
1112509255992
12619a199471
132cbb0ca546
141771844085
15c5b96c794
hex763f04455

31741461589 has 2 divisors, whose sum is σ = 31741461590. Its totient is φ = 31741461588.

The previous prime is 31741461491. The next prime is 31741461607. The reversal of 31741461589 is 98516414713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23381468100 + 8359993489 = 152910^2 + 91433^2 .

It is a cyclic number.

It is not a de Polignac number, because 31741461589 - 223 = 31733072981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31741461989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15870730794 + 15870730795.

It is an arithmetic number, because the mean of its divisors is an integer number (15870730795).

Almost surely, 231741461589 is an apocalyptic number.

It is an amenable number.

31741461589 is a deficient number, since it is larger than the sum of its proper divisors (1).

31741461589 is an equidigital number, since it uses as much as digits as its factorization.

31741461589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The spelling of 31741461589 in words is "thirty-one billion, seven hundred forty-one million, four hundred sixty-one thousand, five hundred eighty-nine".