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1313131030332 = 2231121147146741
BaseRepresentation
bin10011000110111100101…
…101010110011100111100
311122112102100200220111220
4103012330231112130330
5133003243020432312
62443124415113340
7163604416410552
oct23067455263474
94575370626456
101313131030332
11466994262680
121925b0b12850
1396a9b685884
14477ad4a1bd2
1524256b0ac8c
hex131bcb5673c

1313131030332 has 48 divisors (see below), whose sum is σ = 3358356726144. Its totient is φ = 396032616000.

The previous prime is 1313131030313. The next prime is 1313131030369. The reversal of 1313131030332 is 2330301313131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23545519 + ... + 23601222.

It is an arithmetic number, because the mean of its divisors is an integer number (69965765128).

Almost surely, 21313131030332 is an apocalyptic number.

1313131030332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313131030332 is an abundant number, since it is smaller than the sum of its proper divisors (2045225695812).

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

1313131030332 is a wasteful number, since it uses less digits than its factorization.

1313131030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47146970 (or 47146968 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1313131030332 its reverse (2330301313131), we get a palindrome (3643432343463).

The spelling of 1313131030332 in words is "one trillion, three hundred thirteen billion, one hundred thirty-one million, thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 211 422 633 844 1266 2321 2532 4642 6963 9284 13926 27852 47146741 94293482 141440223 188586964 282880446 518614151 565760892 1037228302 1555842453 2074456604 3111684906 6223369812 9947962351 19895924702 29843887053 39791849404 59687774106 109427585861 119375548212 218855171722 328282757583 437710343444 656565515166 1313131030332