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103303131 = 3113304729
BaseRepresentation
bin1100010100001…
…00011111011011
321012101100020220
412022010133123
5202421200011
614130051123
72363030211
oct612043733
9235340226
10103303131
1153348198
122a719aa3
131852c119
14da10cb1
159108506
hex62847db

103303131 has 8 divisors (see below), whose sum is σ = 138956880. Its totient is φ = 68259072.

The previous prime is 103303127. The next prime is 103303153. The reversal of 103303131 is 131303301.

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

It is not a de Polignac number, because 103303131 - 22 = 103303127 is a prime.

It is a super-2 number, since 2×1033031312 = 21343073748806322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103303131.

It is not an unprimeable number, because it can be changed into a prime (103303121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152026 + ... + 152703.

It is an arithmetic number, because the mean of its divisors is an integer number (17369610).

Almost surely, 2103303131 is an apocalyptic number.

103303131 is a deficient number, since it is larger than the sum of its proper divisors (35653749).

103303131 is a wasteful number, since it uses less digits than its factorization.

103303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304845.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 103303131 is about 10163.8147857977. The cubic root of 103303131 is about 469.2142158915.

Adding to 103303131 its reverse (131303301), we get a palindrome (234606432).

The spelling of 103303131 in words is "one hundred three million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 3 113 339 304729 914187 34434377 103303131