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131101112203 = 1929997238649
BaseRepresentation
bin111101000011000111…
…1000011011110001011
3110112101122212112121021
41322012033003132023
54121443341042303
6140121011453311
712320544032005
oct1720617033613
9415348775537
10131101112203
1150666184016
12214a95b7237
13c494054809
1464b9817375
153624868ebd
hex1e863c378b

131101112203 has 16 divisors (see below), whose sum is σ = 142903620000. Its totient is φ = 119797477632.

The previous prime is 131101112189. The next prime is 131101112209. The reversal of 131101112203 is 302211101131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131101112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131101112209) 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, 430023 + ... + 668671.

It is an arithmetic number, because the mean of its divisors is an integer number (8931476250).

Almost surely, 2131101112203 is an apocalyptic number.

131101112203 is a deficient number, since it is larger than the sum of its proper divisors (11802507797).

131101112203 is a wasteful number, since it uses less digits than its factorization.

131101112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239694.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131101112203 its reverse (302211101131), we get a palindrome (433312213334).

The spelling of 131101112203 in words is "one hundred thirty-one billion, one hundred one million, one hundred twelve thousand, two hundred three".

Divisors: 1 19 29 551 997 18943 28913 238649 549347 4534331 6920821 131495599 237933053 4520728007 6900058537 131101112203