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31054515101 is a prime number
BaseRepresentation
bin11100111010111111…
…100100101110011101
32222011020112211010222
4130322333210232131
51002044423440401
622133302011125
72146363010621
oct347277445635
988136484128
1031054515101
1112196511915
126028116aa5
132c0b9ab82c
141708507181
15c1b4c7c1b
hex73afe4b9d

31054515101 has 2 divisors, whose sum is σ = 31054515102. Its totient is φ = 31054515100.

The previous prime is 31054515083. The next prime is 31054515109. The reversal of 31054515101 is 10151545013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16965062500 + 14089452601 = 130250^2 + 118699^2 .

It is a cyclic number.

It is not a de Polignac number, because 31054515101 - 222 = 31050320797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31054515109) 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, 15527257550 + 15527257551.

It is an arithmetic number, because the mean of its divisors is an integer number (15527257551).

Almost surely, 231054515101 is an apocalyptic number.

It is an amenable number.

31054515101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31054515101 is an equidigital number, since it uses as much as digits as its factorization.

31054515101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 31054515101 in words is "thirty-one billion, fifty-four million, five hundred fifteen thousand, one hundred one".