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131032103132 = 2274679717969
BaseRepresentation
bin111101000001000011…
…1110011100011011100
3110112012212000111221202
41322002013303203130
54121323204300012
6140110104415032
712316045333250
oct1720207634334
9415185014852
10131032103132
115063022a527
122148a477478
13c482972048
1464b05b2260
15361d786cc2
hex1e821f38dc

131032103132 has 12 divisors (see below), whose sum is σ = 262064206320. Its totient is φ = 56156615616.

The previous prime is 131032103119. The next prime is 131032103171. The reversal of 131032103132 is 231301230131.

131032103132 is an admirable number.

It is a congruent number.

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, 2339858957 + ... + 2339859012.

It is an arithmetic number, because the mean of its divisors is an integer number (21838683860).

Almost surely, 2131032103132 is an apocalyptic number.

It is an amenable number.

131032103132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131032103132 is a wasteful number, since it uses less digits than its factorization.

131032103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679717980 (or 4679717978 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131032103132 its reverse (231301230131), we get a palindrome (362333333263).

The spelling of 131032103132 in words is "one hundred thirty-one billion, thirty-two million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 4679717969 9359435938 18718871876 32758025783 65516051566 131032103132