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331331220132 = 2231123310772897
BaseRepresentation
bin1001101001001001110…
…00010011001010100100
31011200020001010220211120
410310210320103022210
520412031243021012
6412113401533540
732636460621423
oct4644470231244
91150201126746
10331331220132
11118575921760
125426a1a42b0
1325323c40113
14120722b72ba
1589430e358c
hex4d24e132a4

331331220132 has 48 divisors (see below), whose sum is σ = 847008332352. Its totient is φ = 99972474880.

The previous prime is 331331220131. The next prime is 331331220139. The reversal of 331331220132 is 231022133133.

It is not an unprimeable number, because it can be changed into a prime (331331220131) 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, 5355693 + ... + 5417204.

It is an arithmetic number, because the mean of its divisors is an integer number (17646006924).

Almost surely, 2331331220132 is an apocalyptic number.

It is an amenable number.

331331220132 is an abundant number, since it is smaller than the sum of its proper divisors (515677112220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331331220132 is a wasteful number, since it uses less digits than its factorization.

331331220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773148 (or 10773146 counting only the distinct ones).

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

Adding to 331331220132 its reverse (231022133133), we get a palindrome (562353353265).

The spelling of 331331220132 in words is "three hundred thirty-one billion, three hundred thirty-one million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 233 466 699 932 1398 2563 2796 5126 7689 10252 15378 30756 10772897 21545794 32318691 43091588 64637382 118501867 129274764 237003734 355505601 474007468 711011202 1422022404 2510085001 5020170002 7530255003 10040340004 15060510006 27610935011 30121020012 55221870022 82832805033 110443740044 165665610066 331331220132