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315032412991 is a prime number
BaseRepresentation
bin1001001010110010110…
…01010010001100111111
31010010011011001201200211
410211121121102030333
520130141244203431
6400420205533251
731521540220312
oct4453131221477
91103134051624
10315032412991
1111167164770a
125107b874227
13239272b603a
14113677a2979
1582dc2772b1
hex495965233f

315032412991 has 2 divisors, whose sum is σ = 315032412992. Its totient is φ = 315032412990.

The previous prime is 315032412979. The next prime is 315032413027. The reversal of 315032412991 is 199214230513.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315032412991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315032412911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157516206495 + 157516206496.

It is an arithmetic number, because the mean of its divisors is an integer number (157516206496).

Almost surely, 2315032412991 is an apocalyptic number.

315032412991 is a deficient number, since it is larger than the sum of its proper divisors (1).

315032412991 is an equidigital number, since it uses as much as digits as its factorization.

315032412991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 315032412991 in words is "three hundred fifteen billion, thirty-two million, four hundred twelve thousand, nine hundred ninety-one".