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103224331 = 722106619
BaseRepresentation
bin1100010011100…
…01010000001011
321012020100011101
412021301100023
5202411134311
614124242231
72362251400
oct611612013
9235210141
10103224331
11532a3a71
122a6a0377
13185022b2
14d9d02a7
1590deec1
hex627140b

103224331 has 6 divisors (see below), whose sum is σ = 120077340. Its totient is φ = 88477956.

The previous prime is 103224301. The next prime is 103224343. The reversal of 103224331 is 133422301.

It is not a de Polignac number, because 103224331 - 215 = 103191563 is a prime.

It is a super-2 number, since 2×1032243312 = 21310525020795122, 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 = 103224299 and 103224308.

It is not an unprimeable number, because it can be changed into a prime (103224301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1053261 + ... + 1053358.

It is an arithmetic number, because the mean of its divisors is an integer number (20012890).

Almost surely, 2103224331 is an apocalyptic number.

103224331 is a deficient number, since it is larger than the sum of its proper divisors (16853009).

103224331 is an equidigital number, since it uses as much as digits as its factorization.

103224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106633 (or 2106626 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103224331 is about 10159.9375490207. The cubic root of 103224331 is about 469.0948794456.

Adding to 103224331 its reverse (133422301), we get a palindrome (236646632).

The spelling of 103224331 in words is "one hundred three million, two hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 7 49 2106619 14746333 103224331