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103020313 = 1159181877
BaseRepresentation
bin1100010001111…
…11011100011001
321011211222022011
412020333130121
5202333122223
614120025521
72360441524
oct610773431
9234758264
10103020313
1153174760
122a6022a1
1318460486
14d979bbb
15909e80d
hex623f719

103020313 has 16 divisors (see below), whose sum is σ = 115053120. Its totient is φ = 91454400.

The previous prime is 103020283. The next prime is 103020317. The reversal of 103020313 is 313020301.

It is a cyclic number.

It is not a de Polignac number, because 103020313 - 29 = 103019801 is a prime.

It is a super-2 number, since 2×1030203132 = 21226369781235938, 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 = 103020293 and 103020302.

It is not an unprimeable number, because it can be changed into a prime (103020317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117031 + ... + 117907.

It is an arithmetic number, because the mean of its divisors is an integer number (7190820).

Almost surely, 2103020313 is an apocalyptic number.

It is an amenable number.

103020313 is a deficient number, since it is larger than the sum of its proper divisors (12032807).

103020313 is a wasteful number, since it uses less digits than its factorization.

103020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103020313 is about 10149.8922654381. The cubic root of 103020313 is about 468.7856276802.

Adding to 103020313 its reverse (313020301), we get a palindrome (416040614).

The spelling of 103020313 in words is "one hundred three million, twenty thousand, three hundred thirteen".

Divisors: 1 11 59 181 649 877 1991 9647 10679 51743 117469 158737 569173 1746107 9365483 103020313