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23132313321 = 3131734890367
BaseRepresentation
bin10101100010110010…
…110001011011101001
32012201010112021100020
4111202302301123221
5334333333011241
614343221431053
71446145263465
oct254262613351
965633467306
1023132313321
1198a0651417
124596b6b489
132248607880
1411962d14a5
15905c48b66
hex562cb16e9

23132313321 has 16 divisors (see below), whose sum is σ = 35169490944. Its totient is φ = 13397900544.

The previous prime is 23132313307. The next prime is 23132313343. The reversal of 23132313321 is 12331323132.

It is not a de Polignac number, because 23132313321 - 213 = 23132305129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23132313291 and 23132313300.

It is not an unprimeable number, because it can be changed into a prime (23132313301) 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, 17444521 + ... + 17445846.

It is an arithmetic number, because the mean of its divisors is an integer number (2198093184).

Almost surely, 223132313321 is an apocalyptic number.

It is an amenable number.

23132313321 is a deficient number, since it is larger than the sum of its proper divisors (12037177623).

23132313321 is a wasteful number, since it uses less digits than its factorization.

23132313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34890400.

The product of its digits is 1944, while the sum is 24.

Adding to 23132313321 its reverse (12331323132), we get a palindrome (35463636453).

The spelling of 23132313321 in words is "twenty-three billion, one hundred thirty-two million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 3 13 17 39 51 221 663 34890367 104671101 453574771 593136239 1360724313 1779408717 7710771107 23132313321