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31310201029 is a prime number
BaseRepresentation
bin11101001010001110…
…111100000011000101
32222211001200000022011
4131022032330003011
51003110402413104
622214514134221
72155616213632
oct351216740305
988731600264
1031310201029
11123078794a8
126099881371
132c4c962293
141730463189
15c33b81904
hex74a3bc0c5

31310201029 has 2 divisors, whose sum is σ = 31310201030. Its totient is φ = 31310201028.

The previous prime is 31310201003. The next prime is 31310201147. The reversal of 31310201029 is 92010201313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28665876100 + 2644324929 = 169310^2 + 51423^2 .

It is a cyclic number.

It is not a de Polignac number, because 31310201029 - 25 = 31310200997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31310261029) 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, 15655100514 + 15655100515.

It is an arithmetic number, because the mean of its divisors is an integer number (15655100515).

Almost surely, 231310201029 is an apocalyptic number.

It is an amenable number.

31310201029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31310201029 is an equidigital number, since it uses as much as digits as its factorization.

31310201029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 31310201029 in words is "thirty-one billion, three hundred ten million, two hundred one thousand, twenty-nine".