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31313102341 is a prime number
BaseRepresentation
bin11101001010011010…
…000000011000000101
32222211021010102011011
4131022122000120011
51003112123233331
622215100242221
72155652656363
oct351232003005
988737112134
1031313102341
1112309480284
12609a840371
132c50439a31
1417309ba633
15c340563b1
hex74a680605

31313102341 has 2 divisors, whose sum is σ = 31313102342. Its totient is φ = 31313102340.

The previous prime is 31313102333. The next prime is 31313102351. The reversal of 31313102341 is 14320131313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18012324100 + 13300778241 = 134210^2 + 115329^2 .

It is a cyclic number.

It is not a de Polignac number, because 31313102341 - 23 = 31313102333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31313102351) 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, 15656551170 + 15656551171.

It is an arithmetic number, because the mean of its divisors is an integer number (15656551171).

Almost surely, 231313102341 is an apocalyptic number.

It is an amenable number.

31313102341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31313102341 is an equidigital number, since it uses as much as digits as its factorization.

31313102341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31313102341 its reverse (14320131313), we get a palindrome (45633233654).

The spelling of 31313102341 in words is "thirty-one billion, three hundred thirteen million, one hundred two thousand, three hundred forty-one".