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331310031332 = 22711832501119
BaseRepresentation
bin1001101001000111001…
…11011110000111100100
31011200011120021102021012
410310203213132013210
520412010332000312
6412111323441352
732636112541460
oct4644347360744
91150146242235
10331310031332
1111856496a255
1254263086258
132531c731877
141206d55d4a0
15894130a322
hex4d239de1e4

331310031332 has 12 divisors (see below), whose sum is σ = 662620062720. Its totient is φ = 141990013416.

The previous prime is 331310031313. The next prime is 331310031361. The reversal of 331310031332 is 233130013133.

331310031332 is an admirable number.

It is a super-2 number, since 2×3313100313322 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331310031298 and 331310031307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5916250532 + ... + 5916250587.

It is an arithmetic number, because the mean of its divisors is an integer number (55218338560).

Almost surely, 2331310031332 is an apocalyptic number.

It is an amenable number.

331310031332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331310031332 is a wasteful number, since it uses less digits than its factorization.

331310031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832501130 (or 11832501128 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 331310031332 its reverse (233130013133), we get a palindrome (564440044465).

The spelling of 331310031332 in words is "three hundred thirty-one billion, three hundred ten million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 11832501119 23665002238 47330004476 82827507833 165655015666 331310031332