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131110112103 = 3894431108463
BaseRepresentation
bin111101000011011000…
…1011000101101100111
3110112102021210210010220
41322012301120231213
54122003142041403
6140121532415423
712321013364535
oct1720661305547
9415367723126
10131110112103
1150670270853
12214b0617573
13c495b860b9
1464baabb155
153625545953
hex1e86c58b67

131110112103 has 16 divisors (see below), whose sum is σ = 177176885760. Its totient is φ = 86229475904.

The previous prime is 131110112099. The next prime is 131110112131. The reversal of 131110112103 is 301211011131.

It is a cyclic number.

It is not a de Polignac number, because 131110112103 - 22 = 131110112099 is a prime.

It is a super-2 number, since 2×1311101121032 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110112143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435951 + ... + 672512.

It is an arithmetic number, because the mean of its divisors is an integer number (11073555360).

Almost surely, 2131110112103 is an apocalyptic number.

131110112103 is a deficient number, since it is larger than the sum of its proper divisors (46066773657).

131110112103 is a wasteful number, since it uses less digits than its factorization.

131110112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108998.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 131110112103 its reverse (301211011131), we get a palindrome (432321123234).

The spelling of 131110112103 in words is "one hundred thirty-one billion, one hundred ten million, one hundred twelve thousand, one hundred three".

Divisors: 1 3 89 267 443 1329 39427 118281 1108463 3325389 98653207 295959621 491049109 1473147327 43703370701 131110112103