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131323103432 = 2389184442561
BaseRepresentation
bin111101001001101110…
…1111000100011001000
3110112222010120212022122
41322103131320203020
54122422203302212
6140155021510412
712326210650523
oct1722335704310
9415863525278
10131323103432
115076a517344
122154ba12408
13c4cb03b681
1464db0c1bba
1536390b9272
hex1e937788c8

131323103432 has 16 divisors (see below), whose sum is σ = 248997458700. Its totient is φ = 64923781120.

The previous prime is 131323103407. The next prime is 131323103449. The reversal of 131323103432 is 234301323131.

It can be written as a sum of positive squares in 2 ways, for example, as 104992848676 + 26330254756 = 324026^2 + 162266^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 92220569 + ... + 92221992.

Almost surely, 2131323103432 is an apocalyptic number.

It is an amenable number.

131323103432 is a deficient number, since it is larger than the sum of its proper divisors (117674355268).

131323103432 is a wasteful number, since it uses less digits than its factorization.

131323103432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184442656 (or 184442652 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 131323103432 its reverse (234301323131), we get a palindrome (365624426563).

The spelling of 131323103432 in words is "one hundred thirty-one billion, three hundred twenty-three million, one hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 89 178 356 712 184442561 368885122 737770244 1475540488 16415387929 32830775858 65661551716 131323103432