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131403004031441 = 1170711122421471
BaseRepresentation
bin11101111000001010100101…
…011000001011000111010001
3122020021000010021121200200102
4131320022211120023013101
5114210401323013001231
61143245412351302145
736451360636204622
oct3570124530130721
9566230107550612
10131403004031441
113896177911982a
12128a294821a955
13584233365554c
142463d2173da49
15102d1612e6acb
hex7782a560b1d1

131403004031441 has 4 divisors (see below), whose sum is σ = 131404126569984. Its totient is φ = 131401881492900.

The previous prime is 131403004031437. The next prime is 131403004031461. The reversal of 131403004031441 is 144130400304131.

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 131403004031441 - 22 = 131403004031437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403004031461) 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, 561093665 + ... + 561327806.

It is an arithmetic number, because the mean of its divisors is an integer number (32851031642496).

Almost surely, 2131403004031441 is an apocalyptic number.

It is an amenable number.

131403004031441 is a deficient number, since it is larger than the sum of its proper divisors (1122538543).

131403004031441 is a wasteful number, since it uses less digits than its factorization.

131403004031441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122538542.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131403004031441 its reverse (144130400304131), we get a palindrome (275533404335572).

The spelling of 131403004031441 in words is "one hundred thirty-one trillion, four hundred three billion, four million, thirty-one thousand, four hundred forty-one".

Divisors: 1 117071 1122421471 131403004031441