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31301453093 is a prime number
BaseRepresentation
bin11101001001101101…
…100100010100100101
32222210110012120101112
4131021231210110211
51003101132444333
622214002434405
72155451650511
oct351155442445
988713176345
1031301453093
1112302943aa9
126096962a05
132c4abbb5a1
14172d227141
15c33004948
hex749b64525

31301453093 has 2 divisors, whose sum is σ = 31301453094. Its totient is φ = 31301453092.

The previous prime is 31301453069. The next prime is 31301453143. The reversal of 31301453093 is 39035410313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31285826884 + 15626209 = 176878^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 31301453093 - 210 = 31301452069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301453593) 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, 15650726546 + 15650726547.

It is an arithmetic number, because the mean of its divisors is an integer number (15650726547).

Almost surely, 231301453093 is an apocalyptic number.

It is an amenable number.

31301453093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301453093 is an equidigital number, since it uses as much as digits as its factorization.

31301453093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 31301453093 in words is "thirty-one billion, three hundred one million, four hundred fifty-three thousand, ninety-three".