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103401331 = 119400121
BaseRepresentation
bin1100010100111…
…00011101110011
321012120022221221
412022130131303
5202432320311
614132125511
72363616415
oct612343563
9235508857
10103401331
1153404a50
122a766897
1318564a27
14da389b5
159127671
hex629c773

103401331 has 4 divisors (see below), whose sum is σ = 112801464. Its totient is φ = 94001200.

The previous prime is 103401329. The next prime is 103401341. The reversal of 103401331 is 133104301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133104301 = 1112100391.

It is a cyclic number.

It is not a de Polignac number, because 103401331 - 21 = 103401329 is a prime.

It is a super-2 number, since 2×1034013312 = 21383670505143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103401341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700050 + ... + 4700071.

It is an arithmetic number, because the mean of its divisors is an integer number (28200366).

Almost surely, 2103401331 is an apocalyptic number.

103401331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103401331 is a deficient number, since it is larger than the sum of its proper divisors (9400133).

103401331 is an equidigital number, since it uses as much as digits as its factorization.

103401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400132.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103401331 is about 10168.6445016039. The cubic root of 103401331 is about 469.3628472158.

Adding to 103401331 its reverse (133104301), we get a palindrome (236505632).

The spelling of 103401331 in words is "one hundred three million, four hundred one thousand, three hundred thirty-one".

Divisors: 1 11 9400121 103401331