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22524131131 = 219291027139
BaseRepresentation
bin10100111110100010…
…101111011100111011
32011010202010102012221
4110332202233130323
5332112134144011
614203014144511
71425111645535
oct247642573473
964122112187
1022524131131
119609315107
124447352137
13217c605958
141139618855
158bc661971
hex53e8af73b

22524131131 has 4 divisors (see below), whose sum is σ = 22525180200. Its totient is φ = 22523082064.

The previous prime is 22524131117. The next prime is 22524131143. The reversal of 22524131131 is 13113142522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22524131131 - 223 = 22515742523 is a prime.

It is a super-2 number, since 2×225241311312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22524131096 and 22524131105.

It is not an unprimeable number, because it can be changed into a prime (22524132131) 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, 491641 + ... + 535498.

It is an arithmetic number, because the mean of its divisors is an integer number (5631295050).

Almost surely, 222524131131 is an apocalyptic number.

22524131131 is a deficient number, since it is larger than the sum of its proper divisors (1049069).

22524131131 is a wasteful number, since it uses less digits than its factorization.

22524131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049068.

The product of its digits is 1440, while the sum is 25.

Adding to 22524131131 its reverse (13113142522), we get a palindrome (35637273653).

The spelling of 22524131131 in words is "twenty-two billion, five hundred twenty-four million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 21929 1027139 22524131131