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131042013103 = 2931612389577
BaseRepresentation
bin111101000001010110…
…1100110111110101111
3110112020112122222212201
41322002231212332233
54121333223404403
6140111101042331
712316225506301
oct1720255467657
9415215588781
10131042013103
1150635888a91
12214918563a7
13c484a31931
1464b1a31971
15361e59321d
hex1e82b66faf

131042013103 has 16 divisors (see below), whose sum is σ = 142227682560. Its totient is φ = 120434630400.

The previous prime is 131042013097. The next prime is 131042013119. The reversal of 131042013103 is 301310240131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131042013103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131042013503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139950 + ... + 1249627.

It is an arithmetic number, because the mean of its divisors is an integer number (8889230160).

Almost surely, 2131042013103 is an apocalyptic number.

131042013103 is a deficient number, since it is larger than the sum of its proper divisors (11185669457).

131042013103 is a wasteful number, since it uses less digits than its factorization.

131042013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389698.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131042013103 its reverse (301310240131), we get a palindrome (432352253234).

The spelling of 131042013103 in words is "one hundred thirty-one billion, forty-two million, thirteen thousand, one hundred three".

Divisors: 1 29 31 61 899 1769 1891 54839 2389577 69297733 74076887 145764197 2148229723 4227161713 4518690107 131042013103