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131403022143443 = 421828931150787
BaseRepresentation
bin11101111000001010100110…
…011101010000111111010011
3122020021000011112200212200022
4131320022212131100333103
5114210401342132042233
61143245414235414055
736451361246151401
oct3570124635207723
9566230145625608
10131403022143443
113896178836a626
12128a29522b432b
1358423373274cb
142463d23cd6471
15102d162bc3398
hex7782a6750fd3

131403022143443 has 4 divisors (see below), whose sum is σ = 131403057512520. Its totient is φ = 131402986774368.

The previous prime is 131403022143319. The next prime is 131403022143479. The reversal of 131403022143443 is 344341220304131.

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

It is a cyclic number.

It is not a de Polignac number, because 131403022143443 - 28 = 131403022143187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403022143493) 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, 11357105 + ... + 19793682.

It is an arithmetic number, because the mean of its divisors is an integer number (32850764378130).

Almost surely, 2131403022143443 is an apocalyptic number.

131403022143443 is a deficient number, since it is larger than the sum of its proper divisors (35369077).

131403022143443 is an equidigital number, since it uses as much as digits as its factorization.

131403022143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35369076.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 131403022143443 its reverse (344341220304131), we get a palindrome (475744242447574).

The spelling of 131403022143443 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-two million, one hundred forty-three thousand, four hundred forty-three".

Divisors: 1 4218289 31150787 131403022143443