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103023212131 = 714717601733
BaseRepresentation
bin101111111110010101…
…0010111011001100011
3100211220212100102122101
41133330222113121203
53141442420242011
6115154520551231
710305003566020
oct1377452273143
9324825312571
10103023212131
113a767a10124
1217b72322517
13993ac60468
144db478a547
152a2e8662c1
hex17fca97663

103023212131 has 4 divisors (see below), whose sum is σ = 117740813872. Its totient is φ = 88305610392.

The previous prime is 103023212119. The next prime is 103023212203. The reversal of 103023212131 is 131212320301.

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 103023212131 - 219 = 103022687843 is a prime.

It is a super-2 number, since 2×1030232121312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103023212099 and 103023212108.

It is not an unprimeable number, because it can be changed into a prime (103023212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7358800860 + ... + 7358800873.

It is an arithmetic number, because the mean of its divisors is an integer number (29435203468).

Almost surely, 2103023212131 is an apocalyptic number.

103023212131 is a deficient number, since it is larger than the sum of its proper divisors (14717601741).

103023212131 is an equidigital number, since it uses as much as digits as its factorization.

103023212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14717601740.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103023212131 its reverse (131212320301), we get a palindrome (234235532432).

The spelling of 103023212131 in words is "one hundred three billion, twenty-three million, two hundred twelve thousand, one hundred thirty-one".

Divisors: 1 7 14717601733 103023212131