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31003102124 = 2259387130513
BaseRepresentation
bin11100110111111011…
…011100101110101100
32222000122210202210122
4130313323130232230
51001443243231444
622124224024112
72145200006561
oct346773345654
988018722718
1031003102124
111216a496555
126012a62038
132c0114a257
141701762868
15c16c1e4ee
hex737edcbac

31003102124 has 12 divisors (see below), whose sum is σ = 54256758024. Its totient is φ = 15501171264.

The previous prime is 31003102111. The next prime is 31003102187. The reversal of 31003102124 is 42120130013.

It is a super-2 number, since 2×310031021242 (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 172292 + ... + 302804.

It is an arithmetic number, because the mean of its divisors is an integer number (4521396502).

Almost surely, 231003102124 is an apocalyptic number.

It is an amenable number.

31003102124 is a deficient number, since it is larger than the sum of its proper divisors (23253655900).

31003102124 is a wasteful number, since it uses less digits than its factorization.

31003102124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189904 (or 189902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31003102124 its reverse (42120130013), we get a palindrome (73123232137).

The spelling of 31003102124 in words is "thirty-one billion, three million, one hundred two thousand, one hundred twenty-four".

Divisors: 1 2 4 59387 118774 130513 237548 261026 522052 7750775531 15501551062 31003102124