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131132232001 = 827158563763
BaseRepresentation
bin111101000100000010…
…1110001000101000001
3110112110211102120221101
41322020011301011001
54122024322411001
6140124042454401
712321402403201
oct1721005610501
9415424376841
10131132232001
11506817a9861
12214b7b04401
13c49a62c3b4
1464bd9d8401
153627464a01
hex1e88171141

131132232001 has 4 divisors (see below), whose sum is σ = 131290796592. Its totient is φ = 130973667412.

The previous prime is 131132231963. The next prime is 131132232017. The reversal of 131132232001 is 100232231131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131132232001 - 229 = 130595361089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131132232001.

It is not an unprimeable number, because it can be changed into a prime (131132232041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79281055 + ... + 79282708.

It is an arithmetic number, because the mean of its divisors is an integer number (32822699148).

Almost surely, 2131132232001 is an apocalyptic number.

It is an amenable number.

131132232001 is a deficient number, since it is larger than the sum of its proper divisors (158564591).

131132232001 is an equidigital number, since it uses as much as digits as its factorization.

131132232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158564590.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131132232001 its reverse (100232231131), we get a palindrome (231364463132).

The spelling of 131132232001 in words is "one hundred thirty-one billion, one hundred thirty-two million, two hundred thirty-two thousand, one".

Divisors: 1 827 158563763 131132232001