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100311030221 = 829425928411
BaseRepresentation
bin101110101101100000…
…0001101100111001101
3100120220211220022111112
41131123000031213031
53120414110431341
6114025433301405
710150541455103
oct1353300154715
9316824808445
10100311030221
11395a5a63776
1217535b64865
1395c809ccac
144bd84a5c73
1529216c6aeb
hex175b00d9cd

100311030221 has 8 divisors (see below), whose sum is σ = 100459149600. Its totient is φ = 100162977840.

The previous prime is 100311030187. The next prime is 100311030241. The reversal of 100311030221 is 122030113001.

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 100311030221 - 226 = 100243921357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100311030196 and 100311030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311030241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516506 + ... + 3544916.

It is an arithmetic number, because the mean of its divisors is an integer number (12557393700).

Almost surely, 2100311030221 is an apocalyptic number.

It is an amenable number.

100311030221 is a deficient number, since it is larger than the sum of its proper divisors (148119379).

100311030221 is an equidigital number, since it uses as much as digits as its factorization.

100311030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33499.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100311030221 its reverse (122030113001), we get a palindrome (222341143222).

The spelling of 100311030221 in words is "one hundred billion, three hundred eleven million, thirty thousand, two hundred twenty-one".

Divisors: 1 829 4259 28411 3530711 23552719 121002449 100311030221