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310144411221 = 3671679239563
BaseRepresentation
bin1001000001101100000…
…11000010011001010101
31002122112111102111211020
410200312003002121111
520040133432124341
6354251155031353
731256444666301
oct4406603023125
91078474374736
10310144411221
1110a593486627
125013689b559
132332870c1b8
1411022536d01
158103095566
hex48360c2655

310144411221 has 16 divisors (see below), whose sum is σ = 422211116544. Its totient is φ = 202457282544.

The previous prime is 310144411219. The next prime is 310144411243. The reversal of 310144411221 is 122114441013.

It is a happy number.

It is not a de Polignac number, because 310144411221 - 21 = 310144411219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 310144411191 and 310144411200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310144911221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4586215 + ... + 4653348.

It is an arithmetic number, because the mean of its divisors is an integer number (26388194784).

Almost surely, 2310144411221 is an apocalyptic number.

It is an amenable number.

310144411221 is a deficient number, since it is larger than the sum of its proper divisors (112066705323).

310144411221 is a wasteful number, since it uses less digits than its factorization.

310144411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239800.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 310144411221 its reverse (122114441013), we get a palindrome (432258852234).

The spelling of 310144411221 in words is "three hundred ten billion, one hundred forty-four million, four hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 67 167 201 501 11189 33567 9239563 27718689 619050721 1543007021 1857152163 4629021063 103381470407 310144411221