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1030231027 = 735235743
BaseRepresentation
bin111101011010000…
…001001111110011
32122210120011021201
4331122001033303
54102214343102
6250121232031
734346551000
oct7532011763
92583504251
101030231027
114895a1901
12249032617
13135593377
149ab7a8a7
15606a3987
hex3d6813f3

1030231027 has 16 divisors (see below), whose sum is σ = 1203942400. Its totient is φ = 881213256.

The previous prime is 1030231001. The next prime is 1030231039. The reversal of 1030231027 is 7201320301.

It is a de Polignac number, because none of the positive numbers 2k-1030231027 is a prime.

It is a super-2 number, since 2×10302310272 = 2122751937986949458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030230995 and 1030231013.

It is not an unprimeable number, because it can be changed into a prime (1030231427) 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, 176518 + ... + 182260.

It is an arithmetic number, because the mean of its divisors is an integer number (75246400).

Almost surely, 21030231027 is an apocalyptic number.

1030231027 is a deficient number, since it is larger than the sum of its proper divisors (173711373).

1030231027 is an frugal number, since it uses more digits than its factorization.

1030231027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6273 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1030231027 is about 32097.2121375050. The cubic root of 1030231027 is about 1009.9771347305.

Adding to 1030231027 its reverse (7201320301), we get a palindrome (8231551328).

The spelling of 1030231027 in words is "one billion, thirty million, two hundred thirty-one thousand, twenty-seven".

Divisors: 1 7 49 343 523 3661 5743 25627 40201 179389 281407 1969849 3003589 21025123 147175861 1030231027