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131121034 = 21117241503
BaseRepresentation
bin1111101000010…
…11111110001010
3100010201122020121
413310023332022
5232031333114
621002213454
73151340032
oct764137612
9303648217
10131121034
11680181a0
1237ab428a
132121bb15
14135b28c2
15b7a0a24
hex7d0bf8a

131121034 has 48 divisors (see below), whose sum is σ = 233948736. Its totient is φ = 54617600.

The previous prime is 131121031. The next prime is 131121113. The reversal of 131121034 is 430121131.

It is a junction number, because it is equal to n+sod(n) for n = 131120999 and 131121017.

It is not an unprimeable number, because it can be changed into a prime (131121031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260427 + ... + 260929.

It is an arithmetic number, because the mean of its divisors is an integer number (4873932).

Almost surely, 2131121034 is an apocalyptic number.

131121034 is a deficient number, since it is larger than the sum of its proper divisors (102827702).

131121034 is a wasteful number, since it uses less digits than its factorization.

131121034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131121034 is about 11450.8093163759. The cubic root of 131121034 is about 508.0316723386.

Adding to 131121034 its reverse (430121131), we get a palindrome (561242165).

The spelling of 131121034 in words is "one hundred thirty-one million, one hundred twenty-one thousand, thirty-four".

Divisors: 1 2 11 17 22 34 41 82 187 289 374 451 503 578 697 902 1006 1394 3179 5533 6358 7667 8551 11066 11849 15334 17102 20623 23698 41246 94061 130339 145367 188122 226853 260678 290734 350591 453706 701182 1599037 3198074 3856501 5960047 7713002 11920094 65560517 131121034