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32100023221131 = 361811216288487
BaseRepresentation
bin1110100110001110111100…
…11110110011101110001011
311012122201202210212201002210
413103013132132303232023
513201411321421034011
6152134314101000203
76522102333265665
oct723073636635613
9135581683781083
1032100023221131
11a2565a8298358
1237252489b3063
1314bb033253668
147cd913dc3535
153a9ede07b6a6
hex1d31de7b3b8b

32100023221131 has 16 divisors (see below), whose sum is σ = 43555310559488. Its totient is φ = 21023240839200.

The previous prime is 32100023221127. The next prime is 32100023221157. The reversal of 32100023221131 is 13112232000123.

It is not a de Polignac number, because 32100023221131 - 22 = 32100023221127 is a prime.

It is a super-2 number, since 2×321000232211312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32100023221098 and 32100023221107.

It is not an unprimeable number, because it can be changed into a prime (32100023225131) 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, 107995831 + ... + 108292656.

It is an arithmetic number, because the mean of its divisors is an integer number (2722206909968).

Almost surely, 232100023221131 is an apocalyptic number.

32100023221131 is a deficient number, since it is larger than the sum of its proper divisors (11455287338357).

32100023221131 is a wasteful number, since it uses less digits than its factorization.

32100023221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216289362.

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

Adding to 32100023221131 its reverse (13112232000123), we get a palindrome (45212255221254).

The spelling of 32100023221131 in words is "thirty-two trillion, one hundred billion, twenty-three million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 61 183 811 2433 49471 148413 216288487 648865461 13193597707 39580793121 175409962957 526229888871 10700007740377 32100023221131