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54315293231 is a prime number
BaseRepresentation
bin110010100101011100…
…011001101000101111
312012012022210210002002
4302211130121220233
51342214203340411
640541353122515
73631661242403
oct624534315057
9165168723062
1054315293231
11210426267a1
12a63a0b943b
135177ab5184
1428b38b9103
15162d64a33b
hexca5719a2f

54315293231 has 2 divisors, whose sum is σ = 54315293232. Its totient is φ = 54315293230.

The previous prime is 54315293191. The next prime is 54315293257. The reversal of 54315293231 is 13239251345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54315293231 is a prime.

It is a super-2 number, since 2×543152932312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54315299231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27157646615 + 27157646616.

It is an arithmetic number, because the mean of its divisors is an integer number (27157646616).

Almost surely, 254315293231 is an apocalyptic number.

54315293231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54315293231 is an equidigital number, since it uses as much as digits as its factorization.

54315293231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The spelling of 54315293231 in words is "fifty-four billion, three hundred fifteen million, two hundred ninety-three thousand, two hundred thirty-one".