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1331113030 = 251331557593
BaseRepresentation
bin100111101010111…
…0010110001000110
310102202201112210121
41033111302301012
510211231104110
6340030212154
744662163002
oct11725626106
93382645717
101331113030
11623418a15
1231195405a
13182a0c760
14c8add702
157bcd8cda
hex4f572c46

1331113030 has 64 divisors (see below), whose sum is σ = 2672828928. Its totient is φ = 473978880.

The previous prime is 1331113019. The next prime is 1331113051. The reversal of 1331113030 is 303111331.

It is a junction number, because it is equal to n+sod(n) for n = 1331112995 and 1331113013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2244414 + ... + 2245006.

It is an arithmetic number, because the mean of its divisors is an integer number (41762952).

Almost surely, 21331113030 is an apocalyptic number.

1331113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331113030 is an abundant number, since it is smaller than the sum of its proper divisors (1341715898).

1331113030 is a wasteful number, since it uses less digits than its factorization.

1331113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1331113030 is about 36484.4217440814. The cubic root of 1331113030 is about 1100.0311368597.

Adding to 1331113030 its reverse (303111331), we get a palindrome (1634224361).

The spelling of 1331113030 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 557 593 806 1114 1186 2015 2785 2965 4030 5570 5930 7241 7709 14482 15418 17267 18383 34534 36205 36766 38545 72410 77090 86335 91915 172670 183830 224471 238979 330301 448942 477958 660602 1122355 1194895 1651505 2244710 2389790 3303010 4293913 8587826 10239331 20478662 21469565 42939130 51196655 102393310 133111303 266222606 665556515 1331113030