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2211220311313 = 131348391261459
BaseRepresentation
bin100000001011010111000…
…000000100110100010001
321211101112202010102000011
4200023113000010310101
5242212034344430223
64411453125154521
7315520046345656
oct40132700046421
97741482112004
102211220311313
11782856245a42
122b867125ba41
131306953271c0
1479048bcdc2d
153c7bb50d80d
hex202d7004d11

2211220311313 has 8 divisors (see below), whose sum is σ = 2381333729600. Its totient is φ = 2041109685648.

The previous prime is 2211220311283. The next prime is 2211220311319. The reversal of 2211220311313 is 3131130221122.

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 2211220311313 - 29 = 2211220310801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211220311319) 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, 1122178 + ... + 2383636.

It is an arithmetic number, because the mean of its divisors is an integer number (297666716200).

Almost surely, 22211220311313 is an apocalyptic number.

It is an amenable number.

2211220311313 is a deficient number, since it is larger than the sum of its proper divisors (170113418287).

2211220311313 is a wasteful number, since it uses less digits than its factorization.

2211220311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396311.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211220311313 its reverse (3131130221122), we get a palindrome (5342350532435).

The spelling of 2211220311313 in words is "two trillion, two hundred eleven billion, two hundred twenty million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 13 134839 1261459 1752907 16398967 170093870101 2211220311313