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101031311100 = 2235217236531319
BaseRepresentation
bin101111000010111101…
…1110111011011111100
3100122210001020101010010
41132011323313123330
53123403003423400
6114225123343220
710204435655256
oct1360573673374
9318701211103
10101031311100
11399355a5425
12176b7221b10
1396b13905b5
144c65ddccd6
152964a53450
hex1785ef76fc

101031311100 has 288 divisors, whose sum is σ = 323709281280. Its totient is φ = 24198901760.

The previous prime is 101031311053. The next prime is 101031311201. The reversal of 101031311100 is 1113130101.

It is a super-3 number, since 3×1010313111003 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76596241 + ... + 76597559.

It is an arithmetic number, because the mean of its divisors is an integer number (1123990560).

Almost surely, 2101031311100 is an apocalyptic number.

101031311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101031311100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161854640640).

101031311100 is an abundant number, since it is smaller than the sum of its proper divisors (222677970180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101031311100 is a wasteful number, since it uses less digits than its factorization.

101031311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 101031311100 its reverse (1113130101), we get a palindrome (102144441201).

The spelling of 101031311100 in words is "one hundred one billion, thirty-one million, three hundred eleven thousand, one hundred".