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3000230031 = 371107131641
BaseRepresentation
bin1011001011010011…
…1110000010001111
321202002110110212210
42302310332002033
522121024330111
61213413201503
7134230351221
oct26264760217
97662413783
103000230031
1112aa608257
126b8930293
1338a765156
14206666411
151285dc0a6
hexb2d3e08f

3000230031 has 16 divisors (see below), whose sum is σ = 4094592768. Its totient is φ = 1953537600.

The previous prime is 3000230021. The next prime is 3000230033. The reversal of 3000230031 is 1300320003.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3000230031 is a prime.

It is a super-2 number, since 2×30002300312 = 18002760477828521922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3000229989 and 3000230016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000230033) by changing a digit.

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, 43030 + ... + 88611.

It is an arithmetic number, because the mean of its divisors is an integer number (255912048).

Almost surely, 23000230031 is an apocalyptic number.

3000230031 is a deficient number, since it is larger than the sum of its proper divisors (1094362737).

3000230031 is a wasteful number, since it uses less digits than its factorization.

3000230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131822.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3000230031 is about 54774.3555963920. The cubic root of 3000230031 is about 1442.2864318220.

Adding to 3000230031 its reverse (1300320003), we get a palindrome (4300550034).

The spelling of 3000230031 in words is "three billion, two hundred thirty thousand, thirty-one".

Divisors: 1 3 71 107 213 321 7597 22791 131641 394923 9346511 14085587 28039533 42256761 1000076677 3000230031