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1310322211222 = 213939711872517
BaseRepresentation
bin10011000100010101010…
…010100011100110010110
311122021011121102010001111
4103010111102203212112
5132432014441224342
62441542000245234
7163445002011553
oct23042522434626
94567147363044
101310322211222
11465782801272
12191b4831081a
139674178b42b
14475c4423a2a
152414022d217
hex131154a3996

1310322211222 has 16 divisors (see below), whose sum is σ = 1984610108880. Its totient is φ = 648809254368.

The previous prime is 1310322211213. The next prime is 1310322211223. The reversal of 1310322211222 is 2221122230131.

It is a junction number, because it is equal to n+sod(n) for n = 1310322211193 and 1310322211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310322211223) 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, 5825893 + ... + 6046624.

It is an arithmetic number, because the mean of its divisors is an integer number (124038131805).

Almost surely, 21310322211222 is an apocalyptic number.

1310322211222 is a deficient number, since it is larger than the sum of its proper divisors (674287897658).

1310322211222 is a wasteful number, since it uses less digits than its factorization.

1310322211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873055.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1310322211222 its reverse (2221122230131), we get a palindrome (3531444441353).

The spelling of 1310322211222 in words is "one trillion, three hundred ten billion, three hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 139 278 397 794 55183 110366 11872517 23745034 1650279863 3300559726 4713389249 9426778498 655161105611 1310322211222