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131032031132421 = 3225158004440519
BaseRepresentation
bin11101110010110001000101…
…101010110111101100000101
3122011221112120112122211111200
4131302301011222313230011
5114133312044432214141
61142403141210453113
736412515611454306
oct3562610552675405
9564845515584450
10131032031132421
1138829410637a91
1212842a76134199
135816362970703
14244ddac6d07ad
15102369cdeaab6
hex772c45ab7b05

131032031132421 has 12 divisors (see below), whose sum is σ = 190022547143520. Its totient is φ = 87006660777000.

The previous prime is 131032031132399. The next prime is 131032031132437. The reversal of 131032031132421 is 124231130230131.

131032031132421 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 3 + 2 + 0 + 311 + 324 + 21 = 666.

It is not a de Polignac number, because 131032031132421 - 27 = 131032031132293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032031136421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29002218001 + ... + 29002222518.

It is an arithmetic number, because the mean of its divisors is an integer number (15835212261960).

Almost surely, 2131032031132421 is an apocalyptic number.

It is an amenable number.

131032031132421 is a deficient number, since it is larger than the sum of its proper divisors (58990516011099).

131032031132421 is a wasteful number, since it uses less digits than its factorization.

131032031132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58004440776 (or 58004440773 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131032031132421 its reverse (124231130230131), we get a palindrome (255263161362552).

The spelling of 131032031132421 in words is "one hundred thirty-one trillion, thirty-two billion, thirty-one million, one hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 9 251 753 2259 58004440519 174013321557 522039964671 14559114570269 43677343710807 131032031132421