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131403233341 = 1031275759547
BaseRepresentation
bin111101001100000111…
…1100011100000111101
3110120011201100212220001
41322120033203200331
54123103211431331
6140211003154301
712331203024442
oct1723017434075
9416151325801
10131403233341
1150800777106
1221572815991
13c511815c13
1465079bd9c9
153641146561
hex1e983e383d

131403233341 has 4 divisors (see below), whose sum is σ = 132678992992. Its totient is φ = 130127473692.

The previous prime is 131403233309. The next prime is 131403233347. The reversal of 131403233341 is 143332304131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 143332304131 = 701320438087.

It is a cyclic number.

It is not a de Polignac number, because 131403233341 - 25 = 131403233309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403233347) 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, 637879671 + ... + 637879876.

It is an arithmetic number, because the mean of its divisors is an integer number (33169748248).

Almost surely, 2131403233341 is an apocalyptic number.

It is an amenable number.

131403233341 is a deficient number, since it is larger than the sum of its proper divisors (1275759651).

131403233341 is a wasteful number, since it uses less digits than its factorization.

131403233341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275759650.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 131403233341 its reverse (143332304131), we get a palindrome (274735537472).

The spelling of 131403233341 in words is "one hundred thirty-one billion, four hundred three million, two hundred thirty-three thousand, three hundred forty-one".

Divisors: 1 103 1275759547 131403233341