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103240331 = 1093832473
BaseRepresentation
bin1100010011101…
…01001010001011
321012021011002222
412021311022023
5202412142311
614124444255
72362346135
oct611651213
9235234088
10103240331
1153304a97
122a6a968b
131850966c
14d9d6055
1590e4adb
hex627528b

103240331 has 8 divisors (see below), whose sum is σ = 104501760. Its totient is φ = 101984832.

The previous prime is 103240327. The next prime is 103240339. The reversal of 103240331 is 133042301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103240331 - 22 = 103240327 is a prime.

It is a super-2 number, since 2×1032403312 = 21317131889979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103240339) 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 7 ways as a sum of consecutive naturals, for example, 40511 + ... + 42983.

It is an arithmetic number, because the mean of its divisors is an integer number (13062720).

Almost surely, 2103240331 is an apocalyptic number.

103240331 is a deficient number, since it is larger than the sum of its proper divisors (1261429).

103240331 is a wasteful number, since it uses less digits than its factorization.

103240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103240331 is about 10160.7249249254. The cubic root of 103240331 is about 469.1191151086.

Adding to 103240331 its reverse (133042301), we get a palindrome (236282632).

The spelling of 103240331 in words is "one hundred three million, two hundred forty thousand, three hundred thirty-one".

Divisors: 1 109 383 2473 41747 269557 947159 103240331