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100031311331 = 747304046539
BaseRepresentation
bin101110100101001010…
…1001010110111100011
3100120012100120010022122
41131022111022313203
53114331003430311
6113542002054455
710140604055120
oct1351225126743
9316170503278
10100031311331
1139472081836
121747834a42b
139582153563
144bad291747
152906d720db
hex174a54ade3

100031311331 has 8 divisors (see below), whose sum is σ = 116753871360. Its totient is φ = 83916844488.

The previous prime is 100031311301. The next prime is 100031311333. The reversal of 100031311331 is 133113130001.

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

It is a cyclic number.

It is not a de Polignac number, because 100031311331 - 26 = 100031311267 is a prime.

It is a super-2 number, since 2×1000313113312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100031311333) 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, 152022941 + ... + 152023598.

It is an arithmetic number, because the mean of its divisors is an integer number (14594233920).

Almost surely, 2100031311331 is an apocalyptic number.

100031311331 is a deficient number, since it is larger than the sum of its proper divisors (16722560029).

100031311331 is an equidigital number, since it uses as much as digits as its factorization.

100031311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304046593.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 100031311331 its reverse (133113130001), we get a palindrome (233144441332).

The spelling of 100031311331 in words is "one hundred billion, thirty-one million, three hundred eleven thousand, three hundred thirty-one".

Divisors: 1 7 47 329 304046539 2128325773 14290187333 100031311331