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103130411 = 711452541
BaseRepresentation
bin1100010010110…
…10010100101011
321012001120022212
412021122110223
5202400133121
614122235335
72361410516
oct611322453
9235046285
10103130411
115323a44a
122a655b4b
131849b617
14d9a7d7d
1590c225b
hex625a52b

103130411 has 4 divisors (see below), whose sum is σ = 104583024. Its totient is φ = 101677800.

The previous prime is 103130389. The next prime is 103130437. The reversal of 103130411 is 114031301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114031301 = 443257407.

It is a cyclic number.

It is not a de Polignac number, because 103130411 - 210 = 103129387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103130311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726200 + ... + 726341.

It is an arithmetic number, because the mean of its divisors is an integer number (26145756).

Almost surely, 2103130411 is an apocalyptic number.

103130411 is a deficient number, since it is larger than the sum of its proper divisors (1452613).

103130411 is an equidigital number, since it uses as much as digits as its factorization.

103130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452612.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103130411 is about 10155.3144215233. The cubic root of 103130411 is about 468.9525655826.

Adding to 103130411 its reverse (114031301), we get a palindrome (217161712).

The spelling of 103130411 in words is "one hundred three million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 71 1452541 103130411