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31070212455089 is a prime number
BaseRepresentation
bin1110001000010000110001…
…11110011111101010110001
311002000021122112020110102202
413010020120332133222301
513033023243342030324
6150025243014152545
76354514554225413
oct704103076375261
9132007575213382
1031070212455089
119999891a28735
123599747352755
131444ba6b7a8b2
14795b407109b3
1538d31a61a8ae
hex1c4218f9fab1

31070212455089 has 2 divisors, whose sum is σ = 31070212455090. Its totient is φ = 31070212455088.

The previous prime is 31070212455053. The next prime is 31070212455181. The reversal of 31070212455089 is 98055421207013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29240969730064 + 1829242725025 = 5407492^2 + 1352495^2 .

It is a cyclic number.

It is not a de Polignac number, because 31070212455089 - 28 = 31070212454833 is a prime.

It is not a weakly prime, because it can be changed into another prime (31070212455019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15535106227544 + 15535106227545.

It is an arithmetic number, because the mean of its divisors is an integer number (15535106227545).

Almost surely, 231070212455089 is an apocalyptic number.

It is an amenable number.

31070212455089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31070212455089 is an equidigital number, since it uses as much as digits as its factorization.

31070212455089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 31070212455089 in words is "thirty-one trillion, seventy billion, two hundred twelve million, four hundred fifty-five thousand, eighty-nine".