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131403043144201 = 409237321092773
BaseRepresentation
bin11101111000001010100111…
…101101011000001000001001
3122020021000020000012211022011
4131320022213231120020021
5114210401413021103301
61143245420305455521
736451361622516163
oct3570124755301011
9566230200184264
10131403043144201
1138961799203824
12128a29593415a1
13584233b79b2aa
142463d26a01933
15102d164970a51
hex7782a7b58209

131403043144201 has 4 divisors (see below), whose sum is σ = 131403364646212. Its totient is φ = 131402721642192.

The previous prime is 131403043144193. The next prime is 131403043144207. The reversal of 131403043144201 is 102441340304131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5030259494976 + 126372783649225 = 2242824^2 + 11241565^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403043144201 - 23 = 131403043144193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403043144207) 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, 160137150 + ... + 160955623.

It is an arithmetic number, because the mean of its divisors is an integer number (32850841161553).

Almost surely, 2131403043144201 is an apocalyptic number.

It is an amenable number.

131403043144201 is a deficient number, since it is larger than the sum of its proper divisors (321502011).

131403043144201 is an equidigital number, since it uses as much as digits as its factorization.

131403043144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321502010.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131403043144201 its reverse (102441340304131), we get a palindrome (233844383448332).

The spelling of 131403043144201 in words is "one hundred thirty-one trillion, four hundred three billion, forty-three million, one hundred forty-four thousand, two hundred one".

Divisors: 1 409237 321092773 131403043144201