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131210413243201 = 941313939276877
BaseRepresentation
bin11101110101010111001110…
…000100100111101101000001
3122012120121000022001221222101
4131311113032010213231001
5114144222411242240301
61143021122014310401
736431432233416235
oct3565271604475501
9565517008057871
10131210413243201
113889802969a036
1212871559ab8401
13582a120357756
14245889169a5c5
15102813d56e701
hex7755ce127b41

131210413243201 has 4 divisors (see below), whose sum is σ = 131224352529492. Its totient is φ = 131196473956912.

The previous prime is 131210413243199. The next prime is 131210413243249. The reversal of 131210413243201 is 102342314012131.

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 124390747363600 + 6819665879601 = 11153060^2 + 2611449^2 .

It is a cyclic number.

It is not a de Polignac number, because 131210413243201 - 21 = 131210413243199 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 131210413243201.

It is not an unprimeable number, because it can be changed into a prime (131210413253201) 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, 6969629026 + ... + 6969647851.

It is an arithmetic number, because the mean of its divisors is an integer number (32806088132373).

Almost surely, 2131210413243201 is an apocalyptic number.

It is an amenable number.

131210413243201 is a deficient number, since it is larger than the sum of its proper divisors (13939286291).

131210413243201 is an equidigital number, since it uses as much as digits as its factorization.

131210413243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939286290.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131210413243201 its reverse (102342314012131), we get a palindrome (233552727255332).

The spelling of 131210413243201 in words is "one hundred thirty-one trillion, two hundred ten billion, four hundred thirteen million, two hundred forty-three thousand, two hundred one".

Divisors: 1 9413 13939276877 131210413243201