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131325015325 = 5272332627333
BaseRepresentation
bin111101001001110010…
…1001011010100011101
3110112222021011222221111
41322103211023110131
54122423200442300
6140155130502021
712326233132540
oct1722345132435
9415867158844
10131325015325
1150770602819
1221550594911
13c4cb55a97a
1464db45c857
1536393459ba
hex1e9394b51d

131325015325 has 24 divisors (see below), whose sum is σ = 194197891968. Its totient is φ = 86136156480.

The previous prime is 131325015277. The next prime is 131325015331. The reversal of 131325015325 is 523510523131.

It is not a de Polignac number, because 131325015325 - 27 = 131325015197 is a prime.

It is a super-2 number, since 2×1313250153252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16309642 + ... + 16317691.

It is an arithmetic number, because the mean of its divisors is an integer number (8091578832).

Almost surely, 2131325015325 is an apocalyptic number.

It is an amenable number.

131325015325 is a deficient number, since it is larger than the sum of its proper divisors (62872876643).

131325015325 is a wasteful number, since it uses less digits than its factorization.

131325015325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32627373 (or 32627368 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 131325015325 its reverse (523510523131), we get a palindrome (654835538456).

The spelling of 131325015325 in words is "one hundred thirty-one billion, three hundred twenty-five million, fifteen thousand, three hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 32627333 163136665 228391331 750428659 815683325 1141956655 3752143295 5253000613 5709783275 18760716475 26265003065 131325015325