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131100422 = 2317206783
BaseRepresentation
bin1111101000001…
…10111100000110
3100010200120222012
413310012330012
5232030203142
621001534222
73151222655
oct764067406
9303616865
10131100422
1168003762
1237aa4372
132121261b
14135a919c
15b799882
hex7d06f06

131100422 has 8 divisors (see below), whose sum is σ = 197271936. Its totient is φ = 65343112.

The previous prime is 131100401. The next prime is 131100427. The reversal of 131100422 is 224001131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131100397 and 131100406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100427) 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, 102758 + ... + 104025.

It is an arithmetic number, because the mean of its divisors is an integer number (24658992).

Almost surely, 2131100422 is an apocalyptic number.

131100422 is a deficient number, since it is larger than the sum of its proper divisors (66171514).

131100422 is a wasteful number, since it uses less digits than its factorization.

131100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207102.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131100422 is about 11449.9092572823. The cubic root of 131100422 is about 508.0050503766.

Adding to 131100422 its reverse (224001131), we get a palindrome (355101553).

The spelling of 131100422 in words is "one hundred thirty-one million, one hundred thousand, four hundred twenty-two".

Divisors: 1 2 317 634 206783 413566 65550211 131100422