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23531130133131 = 314639535809143
BaseRepresentation
bin1010101100110110001001…
…01001110001101010001011
310002022112221220210002221010
411112123010221301222023
511041013223303230011
6122014015115415003
74646032224642105
oct526330451615213
9102275856702833
1023531130133131
117552550560a65
1227805a7a54463
131018c8c4c7c0a
145b4cac926575
152ac1731711a6
hex1566c4a71a8b

23531130133131 has 8 divisors (see below), whose sum is σ = 31376983472640. Its totient is φ = 15686348441192.

The previous prime is 23531130133129. The next prime is 23531130133141. The reversal of 23531130133131 is 13133103113532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23531130133131 - 21 = 23531130133129 is a prime.

It is a super-2 number, since 2×235311301331312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23531130133141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267860655 + ... + 267948488.

It is an arithmetic number, because the mean of its divisors is an integer number (3922122934080).

Almost surely, 223531130133131 is an apocalyptic number.

23531130133131 is a deficient number, since it is larger than the sum of its proper divisors (7845853339509).

23531130133131 is a wasteful number, since it uses less digits than its factorization.

23531130133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535823785.

The product of its (nonzero) digits is 7290, while the sum is 30.

Adding to 23531130133131 its reverse (13133103113532), we get a palindrome (36664233246663).

The spelling of 23531130133131 in words is "twenty-three trillion, five hundred thirty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 14639 43917 535809143 1607427429 7843710044377 23531130133131