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23301023031 = 3411132011657
BaseRepresentation
bin10101101100110110…
…010110010100110111
32020010212222121120000
4111230312112110313
5340210030214111
614412045442343
71453264266516
oct255466262467
966125877500
1023301023031
119977902530
1246235703b3
1322745577c0
1411b088a67d
15915971c56
hex56cd96537

23301023031 has 40 divisors (see below), whose sum is σ = 40892983824. Its totient is φ = 13035530880.

The previous prime is 23301023029. The next prime is 23301023077. The reversal of 23301023031 is 13032010332.

It is not a de Polignac number, because 23301023031 - 21 = 23301023029 is a prime.

It is a super-2 number, since 2×233010230312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23301022995 and 23301023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301023131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 994246 + ... + 1017411.

Almost surely, 223301023031 is an apocalyptic number.

23301023031 is a deficient number, since it is larger than the sum of its proper divisors (17591960793).

23301023031 is a wasteful number, since it uses less digits than its factorization.

23301023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011693 (or 2011684 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23301023031 its reverse (13032010332), we get a palindrome (36333033363).

The spelling of 23301023031 in words is "twenty-three billion, three hundred one million, twenty-three thousand, thirty-one".

Divisors: 1 3 9 11 13 27 33 39 81 99 117 143 297 351 429 891 1053 1287 3861 11583 2011657 6034971 18104913 22128227 26151541 54314739 66384681 78454623 162944217 199154043 235363869 287666951 597462129 706091607 863000853 1792386387 2118274821 2589002559 7767007677 23301023031