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331001313032 = 231337339721493
BaseRepresentation
bin1001101000100010011…
…01110011011100001000
31011122101001100220101002
410310101031303130020
520410342314004112
6412020534514132
732625343511225
oct4642115633410
91148331326332
10331001313032
11118416680665
1254197805948
13252a07a0710
141204055a94c
1589241781c2
hex4d11373708

331001313032 has 64 divisors (see below), whose sum is σ = 671879226480. Its totient is φ = 151969416192.

The previous prime is 331001312981. The next prime is 331001313047. The reversal of 331001313032 is 230313100133.

It can be written as a sum of positive squares in 8 ways, for example, as 64214600836 + 266786712196 = 253406^2 + 516514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331001312995 and 331001313013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15389678 + ... + 15411170.

Almost surely, 2331001313032 is an apocalyptic number.

It is an amenable number.

331001313032 is an abundant number, since it is smaller than the sum of its proper divisors (340877913448).

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

331001313032 is a wasteful number, since it uses less digits than its factorization.

331001313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282 (or 22278 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 331001313032 its reverse (230313100133), we get a palindrome (561314413165).

The spelling of 331001313032 in words is "three hundred thirty-one billion, one million, three hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 8 13 26 52 104 373 397 746 794 1492 1588 2984 3176 4849 5161 9698 10322 19396 20644 21493 38792 41288 42986 85972 148081 171944 279409 296162 558818 592324 1117636 1184648 1925053 2235272 3850106 7700212 8016889 8532721 15400424 16033778 17065442 32067556 34130884 64135112 68261768 104219557 110925373 208439114 221850746 416878228 443701492 833756456 887402984 3182704933 6365409866 12730819732 25461639464 41375164129 82750328258 165500656516 331001313032