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103223220031 = 296934766999
BaseRepresentation
bin110000000100010010…
…1010101011100111111
3100212102210200212220101
41200020211111130333
53142400121020111
6115230423501531
710312652615311
oct1401045253477
9325383625811
10103223220031
113a85a8a9008
12180092b78a7
13997051b229
144dd31717b1
152a421c2bc1
hex180895573f

103223220031 has 4 divisors (see below), whose sum is σ = 103257990000. Its totient is φ = 103188450064.

The previous prime is 103223220017. The next prime is 103223220073. The reversal of 103223220031 is 130022322301.

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 103223220031 - 217 = 103223088959 is a prime.

It is a super-2 number, since 2×1032232200312 (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 = 103223219990 and 103223220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103223220011) 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, 17380531 + ... + 17386468.

It is an arithmetic number, because the mean of its divisors is an integer number (25814497500).

Almost surely, 2103223220031 is an apocalyptic number.

103223220031 is a deficient number, since it is larger than the sum of its proper divisors (34769969).

103223220031 is an equidigital number, since it uses as much as digits as its factorization.

103223220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34769968.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 103223220031 its reverse (130022322301), we get a palindrome (233245542332).

The spelling of 103223220031 in words is "one hundred three billion, two hundred twenty-three million, two hundred twenty thousand, thirty-one".

Divisors: 1 2969 34766999 103223220031