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31343346061 is a prime number
BaseRepresentation
bin11101001100001101…
…011000000110001101
32222220101000221201221
4131030031120012031
51003142344033221
622222100403341
72156501021446
oct351415300615
988811027657
1031343346061
1112324557895
1260a89a6551
132c56798921
141734a102cd
15c36a2c541
hex74c35818d

31343346061 has 2 divisors, whose sum is σ = 31343346062. Its totient is φ = 31343346060.

The previous prime is 31343346017. The next prime is 31343346113. The reversal of 31343346061 is 16064334313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27690956836 + 3652389225 = 166406^2 + 60435^2 .

It is an emirp because it is prime and its reverse (16064334313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31343346061 - 29 = 31343345549 is a prime.

It is a super-3 number, since 3×313433460613 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31343346361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671673030 + 15671673031.

It is an arithmetic number, because the mean of its divisors is an integer number (15671673031).

Almost surely, 231343346061 is an apocalyptic number.

It is an amenable number.

31343346061 is a deficient number, since it is larger than the sum of its proper divisors (1).

31343346061 is an equidigital number, since it uses as much as digits as its factorization.

31343346061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 31343346061 in words is "thirty-one billion, three hundred forty-three million, three hundred forty-six thousand, sixty-one".