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100323112231 = 175901359543
BaseRepresentation
bin101110101101110111…
…0010011010100100111
3100120221200122010220101
41131123232103110213
53120430204042411
6114030544244531
710151046245446
oct1353356232447
9316850563811
10100323112231
1139601866101
121753a010747
1395ca740404
144bd9d2cd5d
1529227b18c1
hex175bb93527

100323112231 has 4 divisors (see below), whose sum is σ = 106224471792. Its totient is φ = 94421752672.

The previous prime is 100323112213. The next prime is 100323112261. The reversal of 100323112231 is 132211323001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132211323001 = 456732894737.

It is a cyclic number.

It is not a de Polignac number, because 100323112231 - 25 = 100323112199 is a prime.

It is a super-2 number, since 2×1003231122312 (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 = 100323112199 and 100323112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323112261) 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, 2950679755 + ... + 2950679788.

It is an arithmetic number, because the mean of its divisors is an integer number (26556117948).

Almost surely, 2100323112231 is an apocalyptic number.

100323112231 is a deficient number, since it is larger than the sum of its proper divisors (5901359561).

100323112231 is an equidigital number, since it uses as much as digits as its factorization.

100323112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901359560.

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

Adding to 100323112231 its reverse (132211323001), we get a palindrome (232534435232).

The spelling of 100323112231 in words is "one hundred billion, three hundred twenty-three million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 17 5901359543 100323112231