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100220323031 = 1073677254729
BaseRepresentation
bin101110101010110011…
…0001100010011010111
3100120200112012220121222
41131111212030103113
53120222400314111
6114012433200555
710145360455463
oct1352546142327
9316615186558
10100220323031
113955983a054
121750b70015b
1395b23611ba
144bca4134a3
15291875a7db
hex175598c4d7

100220323031 has 8 divisors (see below), whose sum is σ = 101184869520. Its totient is φ = 99256293568.

The previous prime is 100220323013. The next prime is 100220323051. The reversal of 100220323031 is 130323022001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100220323031 is a prime.

It is a super-2 number, since 2×1002203230312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220323051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266075 + ... + 520803.

It is an arithmetic number, because the mean of its divisors is an integer number (12648108690).

Almost surely, 2100220323031 is an apocalyptic number.

100220323031 is a deficient number, since it is larger than the sum of its proper divisors (964546489).

100220323031 is a wasteful number, since it uses less digits than its factorization.

100220323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258513.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100220323031 its reverse (130323022001), we get a palindrome (230543345032).

The spelling of 100220323031 in words is "one hundred billion, two hundred twenty million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 107 3677 254729 393439 27256003 936638533 100220323031