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101320230031 = 3111861175061
BaseRepresentation
bin101111001011100101…
…0000000010010001111
3100200112011212222101021
41132113022000102033
53130000434330111
6114313524055011
710214544513436
oct1362712002217
9320464788337
10101320230031
1139a736a04a9
1217777b34467
1397291ab747
144c9252a11d
1529800c3d71
hex179728048f

101320230031 has 8 divisors (see below), whose sum is σ = 101701218528. Its totient is φ = 100939596000.

The previous prime is 101320230023. The next prime is 101320230047. The reversal of 101320230031 is 130032023101.

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 101320230031 - 23 = 101320230023 is a prime.

It is a super-2 number, since 2×1013202300312 (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 = 101320229987 and 101320230014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320230631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491241 + ... + 666301.

It is an arithmetic number, because the mean of its divisors is an integer number (12712652316).

Almost surely, 2101320230031 is an apocalyptic number.

101320230031 is a deficient number, since it is larger than the sum of its proper divisors (380988497).

101320230031 is a wasteful number, since it uses less digits than its factorization.

101320230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177233.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 101320230031 its reverse (130032023101), we get a palindrome (231352253132).

The spelling of 101320230031 in words is "one hundred one billion, three hundred twenty million, two hundred thirty thousand, thirty-one".

Divisors: 1 311 1861 175061 578771 54443971 325788521 101320230031