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103031211 = 3101340037
BaseRepresentation
bin1100010010000…
…10000110101011
321011212112020210
412021002012223
5202333444321
614120152203
72360515353
oct611020653
9234775223
10103031211
1153181968
122a608663
131846541a
14d97db63
1590a2b76
hex62421ab

103031211 has 8 divisors (see below), whose sum is σ = 138735504. Its totient is φ = 68007200.

The previous prime is 103031189. The next prime is 103031231. The reversal of 103031211 is 112130301.

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 103031211 - 27 = 103031083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103031231) 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 7 ways as a sum of consecutive naturals, for example, 169716 + ... + 170321.

It is an arithmetic number, because the mean of its divisors is an integer number (17341938).

Almost surely, 2103031211 is an apocalyptic number.

103031211 is a deficient number, since it is larger than the sum of its proper divisors (35704293).

103031211 is a wasteful number, since it uses less digits than its factorization.

103031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340141.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103031211 is about 10150.4291042300. The cubic root of 103031211 is about 468.8021572541.

Adding to 103031211 its reverse (112130301), we get a palindrome (215161512).

The spelling of 103031211 in words is "one hundred three million, thirty-one thousand, two hundred eleven".

Divisors: 1 3 101 303 340037 1020111 34343737 103031211