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23231131031224 = 232903891378903
BaseRepresentation
bin1010100100000111010110…
…10100000001011010111000
310001020212121110112201010201
411102003223110001122320
511021104324020444344
6121224122333451544
74615252040436664
oct522035324013270
9101225543481121
1023231131031224
1174472a3918496
122732422940bb4
13cc68bc92202c
145a456d9798a4
152a4465add4d4
hex1520eb5016b8

23231131031224 has 8 divisors (see below), whose sum is σ = 43558370683560. Its totient is φ = 11615565515608.

The previous prime is 23231131031209. The next prime is 23231131031237. The reversal of 23231131031224 is 42213013113232.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23231131031192 and 23231131031201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1451945689444 + ... + 1451945689459.

It is an arithmetic number, because the mean of its divisors is an integer number (5444796335445).

Almost surely, 223231131031224 is an apocalyptic number.

It is an amenable number.

23231131031224 is a deficient number, since it is larger than the sum of its proper divisors (20327239652336).

23231131031224 is a wasteful number, since it uses less digits than its factorization.

23231131031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903891378909 (or 2903891378905 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 23231131031224 its reverse (42213013113232), we get a palindrome (65444144144456).

The spelling of 23231131031224 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty-one million, thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 2903891378903 5807782757806 11615565515612 23231131031224