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23242042031 = 1317283371617
BaseRepresentation
bin10101101001010101…
…010110101010101111
32012222210000001211112
4111221111112222233
5340044430321111
614402141342235
71451650045325
oct255125265257
965883001745
1023242042031
1199475881aa
12460786797b
1322652765c0
1411a6ad5d15
159106c0e8b
hex569556aaf

23242042031 has 16 divisors (see below), whose sum is σ = 26595957024. Its totient is φ = 20120776704.

The previous prime is 23242041943. The next prime is 23242042037. The reversal of 23242042031 is 13024024232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23242042031 is a prime.

It is a super-2 number, since 2×232420420312 (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 23242041988 and 23242042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242042037) 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, 123266 + ... + 248351.

It is an arithmetic number, because the mean of its divisors is an integer number (1662247314).

Almost surely, 223242042031 is an apocalyptic number.

23242042031 is a deficient number, since it is larger than the sum of its proper divisors (3353914993).

23242042031 is a wasteful number, since it uses less digits than its factorization.

23242042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371930.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23242042031 its reverse (13024024232), we get a palindrome (36266066263).

The spelling of 23242042031 in words is "twenty-three billion, two hundred forty-two million, forty-two thousand, thirty-one".

Divisors: 1 13 17 221 283 3679 4811 62543 371617 4831021 6317489 82127357 105167611 1367178943 1787849387 23242042031