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23103201220131 = 3291063249815651
BaseRepresentation
bin1010100000011001000100…
…00110100001011000100011
310000210122101211000221211010
411100030202012201120203
511012010324003021011
6121045244125552003
74603102602125544
oct520144206413043
9100718354027733
1023103201220131
1173a801587598a
12271167b415603
13cb78128cb366
1459c2b53da4cb
152a0e798a41a6
hex1503221a1623

23103201220131 has 16 divisors (see below), whose sum is σ = 31896462447360. Its totient is φ = 14857036336800.

The previous prime is 23103201220129. The next prime is 23103201220157. The reversal of 23103201220131 is 13102210230132.

It is not a de Polignac number, because 23103201220131 - 21 = 23103201220129 is a prime.

It is a super-2 number, since 2×231032012201312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23103201220098 and 23103201220107.

It is not an unprimeable number, because it can be changed into a prime (23103201220181) 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, 124815345 + ... + 125000306.

It is an arithmetic number, because the mean of its divisors is an integer number (1993528902960).

Almost surely, 223103201220131 is an apocalyptic number.

23103201220131 is a deficient number, since it is larger than the sum of its proper divisors (8793261227229).

23103201220131 is a wasteful number, since it uses less digits than its factorization.

23103201220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249816746.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23103201220131 its reverse (13102210230132), we get a palindrome (36205411450263).

The spelling of 23103201220131 in words is "twenty-three trillion, one hundred three billion, two hundred one million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 29 87 1063 3189 30827 92481 249815651 749446953 7244653879 21733961637 265554037013 796662111039 7701067073377 23103201220131