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3240223131 = 310320815039
BaseRepresentation
bin1100000100100001…
…1110000110011011
322100211001101112010
43001020132012123
523113444120011
61253305121003
7143203304445
oct30110360633
98324041463
103240223131
111413026662
12765189163
133c83b2ac2
1422a499495
1513e6e61a6
hexc121e19b

3240223131 has 16 divisors (see below), whose sum is σ = 4365204480. Its totient is φ = 2137724160.

The previous prime is 3240223079. The next prime is 3240223201. The reversal of 3240223131 is 1313220423.

It is not a de Polignac number, because 3240223131 - 219 = 3239698843 is a prime.

It is a super-2 number, since 2×32402231312 = 20998091877334886322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240223098 and 3240223107.

It is not an unprimeable number, because it can be changed into a prime (3240223531) 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, 640510 + ... + 645548.

It is an arithmetic number, because the mean of its divisors is an integer number (272825280).

Almost surely, 23240223131 is an apocalyptic number.

3240223131 is a deficient number, since it is larger than the sum of its proper divisors (1124981349).

3240223131 is a wasteful number, since it uses less digits than its factorization.

3240223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3240223131 is about 56922.9578553329. The cubic root of 3240223131 is about 1479.7612122362.

Adding to 3240223131 its reverse (1313220423), we get a palindrome (4553443554).

The spelling of 3240223131 in words is "three billion, two hundred forty million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 103 309 2081 5039 6243 15117 214343 519017 643029 1557051 10486159 31458477 1080074377 3240223131