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103111123131013 = 3773128329754611
BaseRepresentation
bin10111011100011101101101…
…110111011101101010000101
3111112002022211110100202012211
4113130131231313131222011
5102003333040010143023
61003144332424343421
730501350516342254
oct2734355567355205
9445068743322184
10103111123131013
112a9441aa9a6a08
12b693762614b71
13456c44ca61cba
141b6686812c79b
15bdc254a10a0d
hex5dc76dddda85

103111123131013 has 16 divisors (see below), whose sum is σ = 107432240124096. Its totient is φ = 98872902771840.

The previous prime is 103111123131007. The next prime is 103111123131067. The reversal of 103111123131013 is 310131321111301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103111123131013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111123131413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11411923 + ... + 18342688.

It is an arithmetic number, because the mean of its divisors is an integer number (6714515007756).

Almost surely, 2103111123131013 is an apocalyptic number.

It is an amenable number.

103111123131013 is a deficient number, since it is larger than the sum of its proper divisors (4321116993083).

103111123131013 is a wasteful number, since it uses less digits than its factorization.

103111123131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29756004.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 103111123131013 its reverse (310131321111301), we get a palindrome (413242444242314).

The spelling of 103111123131013 in words is "one hundred three trillion, one hundred eleven billion, one hundred twenty-three million, one hundred thirty-one thousand, thirteen".

Divisors: 1 37 73 1283 2701 47471 93659 3465383 29754611 1100920607 2172086603 38175165913 80367204311 1412481138781 2786787111649 103111123131013