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101131002231 = 3723297220033
BaseRepresentation
bin101111000101111100…
…0001010000101110111
3100200000222211012122020
41132023320022011313
53124104014032411
6114243044204223
710210056223050
oct1361370120567
9320028735566
10101131002231
11399868a5896
1217724699673
1396c8c2662c
144c7534d727
15296d696606
hex178be0a177

101131002231 has 32 divisors (see below), whose sum is σ = 166349583360. Its totient is φ = 53370476544.

The previous prime is 101131002179. The next prime is 101131002233. The reversal of 101131002231 is 132200131101.

It is a happy number.

It is not a de Polignac number, because 101131002231 - 226 = 101063893367 is a prime.

It is a super-2 number, since 2×1011310022312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101131002231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131002233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3596010 + ... + 3624023.

It is an arithmetic number, because the mean of its divisors is an integer number (5198424480).

Almost surely, 2101131002231 is an apocalyptic number.

101131002231 is a deficient number, since it is larger than the sum of its proper divisors (65218581129).

101131002231 is a wasteful number, since it uses less digits than its factorization.

101131002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220095.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101131002231 its reverse (132200131101), we get a palindrome (233331133332).

The spelling of 101131002231 in words is "one hundred one billion, one hundred thirty-one million, two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 23 29 69 87 161 203 483 609 667 2001 4669 14007 7220033 21660099 50540231 151620693 166060759 209380957 498182277 628142871 1162425313 1465666699 3487275939 4397000097 4815762011 14447286033 33710334077 101131002231