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103132031111 = 809127480879
BaseRepresentation
bin110000000001100100…
…1011110100010000111
3100212012110010000012222
41200003021132202013
53142203244443421
6115213405202555
710310464541354
oct1400311364207
9325173100188
10103132031111
113a81338546a
1217ba286045b
1399576710a5
144dc4dd562b
152a391adcab
hex180325e887

103132031111 has 4 divisors (see below), whose sum is σ = 103259512800. Its totient is φ = 103004549424.

The previous prime is 103132031069. The next prime is 103132031117. The reversal of 103132031111 is 111130231301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103132031111 - 230 = 102058289287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103132031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103132031117) 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, 63739631 + ... + 63741248.

It is an arithmetic number, because the mean of its divisors is an integer number (25814878200).

Almost surely, 2103132031111 is an apocalyptic number.

103132031111 is a deficient number, since it is larger than the sum of its proper divisors (127481689).

103132031111 is an equidigital number, since it uses as much as digits as its factorization.

103132031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127481688.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103132031111 its reverse (111130231301), we get a palindrome (214262262412).

The spelling of 103132031111 in words is "one hundred three billion, one hundred thirty-two million, thirty-one thousand, one hundred eleven".

Divisors: 1 809 127480879 103132031111