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1030031315 = 54121123813
BaseRepresentation
bin111101011001010…
…000011111010011
32122210012000022222
4331121100133103
54102142000230
6250113051255
734345056515
oct7531203723
92583160288
101030031315
11489475855
12248b56b2b
131355234b1
149ab27bb5
15606646e5
hex3d6507d3

1030031315 has 16 divisors (see below), whose sum is σ = 1272239136. Its totient is φ = 800083200.

The previous prime is 1030031297. The next prime is 1030031323. The reversal of 1030031315 is 5131300301.

It is not a de Polignac number, because 1030031315 - 210 = 1030030291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030031293 and 1030031302.

It is an unprimeable number.

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, 31349 + ... + 55161.

It is an arithmetic number, because the mean of its divisors is an integer number (79514946).

Almost surely, 21030031315 is an apocalyptic number.

1030031315 is a deficient number, since it is larger than the sum of its proper divisors (242207821).

1030031315 is a wasteful number, since it uses less digits than its factorization.

1030031315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24070.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 1030031315 is about 32094.1009377113. The cubic root of 1030031315 is about 1009.9118685966.

Adding to 1030031315 its reverse (5131300301), we get a palindrome (6161331616).

The spelling of 1030031315 in words is "one billion, thirty million, thirty-one thousand, three hundred fifteen".

Divisors: 1 5 41 205 211 1055 8651 23813 43255 119065 976333 4881665 5024543 25122715 206006263 1030031315