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1030000331 = 1523676297
BaseRepresentation
bin111101011001001…
…000111011001011
32122210010102211102
4331121020323023
54102140002311
6250112252015
734344600263
oct7531107313
92583112742
101030000331
11489454548
12248b4100b
13135512369
149ab1a7a3
156065a43b
hex3d648ecb

1030000331 has 4 divisors (see below), whose sum is σ = 1030678152. Its totient is φ = 1029322512.

The previous prime is 1030000273. The next prime is 1030000343. The reversal of 1030000331 is 1330000301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1330000301 = 7190000043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030000331 is a prime.

It is a super-2 number, since 2×10300003312 = 2121801363720219122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030000351) 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 3 ways as a sum of consecutive naturals, for example, 336626 + ... + 339671.

It is an arithmetic number, because the mean of its divisors is an integer number (257669538).

Almost surely, 21030000331 is an apocalyptic number.

1030000331 is a deficient number, since it is larger than the sum of its proper divisors (677821).

1030000331 is an equidigital number, since it uses as much as digits as its factorization.

1030000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677820.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1030000331 is about 32093.6182285513. The cubic root of 1030000331 is about 1009.9017422304.

Adding to 1030000331 its reverse (1330000301), we get a palindrome (2360000632).

The spelling of 1030000331 in words is "one billion, thirty million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 1523 676297 1030000331