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100230301031 = 714318614433
BaseRepresentation
bin101110101011000110…
…0010000010101100111
3100120201012222211212112
41131112030100111213
53120232424113111
6114013431111235
710145541334040
oct1352614202547
9316635884775
10100230301031
1139564434733
1217512b1251b
1395b4445a43
144bcb88d8c7
15291957be8b
hex1756310567

100230301031 has 4 divisors (see below), whose sum is σ = 114548915472. Its totient is φ = 85911686592.

The previous prime is 100230301013. The next prime is 100230301147. The reversal of 100230301031 is 130103032001.

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 100230301031 - 214 = 100230284647 is a prime.

It is a super-2 number, since 2×1002303010312 (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 = 100230300997 and 100230301015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100230301631) 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, 7159307210 + ... + 7159307223.

It is an arithmetic number, because the mean of its divisors is an integer number (28637228868).

Almost surely, 2100230301031 is an apocalyptic number.

100230301031 is a deficient number, since it is larger than the sum of its proper divisors (14318614441).

100230301031 is an equidigital number, since it uses as much as digits as its factorization.

100230301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318614440.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100230301031 its reverse (130103032001), we get a palindrome (230333333032).

The spelling of 100230301031 in words is "one hundred billion, two hundred thirty million, three hundred one thousand, thirty-one".

Divisors: 1 7 14318614433 100230301031