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2213134331 = 17891237079
BaseRepresentation
bin1000001111101001…
…1011111111111011
312201020101212120012
42003322123333323
514013030244311
61003335052135
7105562221452
oct20372337773
95636355505
102213134331
11a36290641
1251921104b
1329367ca55
1416dcd9b99
15ce46378b
hex83e9bffb

2213134331 has 4 divisors (see below), whose sum is σ = 2214373200. Its totient is φ = 2211895464.

The previous prime is 2213134289. The next prime is 2213134373. The reversal of 2213134331 is 1334313122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2213134289) and next prime (2213134373).

It is a cyclic number.

It is not a de Polignac number, because 2213134331 - 214 = 2213117947 is a prime.

It is a super-2 number, since 2×22131343312 = 9795927134101635122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213134297 and 2213134306.

It is not an unprimeable number, because it can be changed into a prime (2213134631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616751 + ... + 620328.

It is an arithmetic number, because the mean of its divisors is an integer number (553593300).

Almost surely, 22213134331 is an apocalyptic number.

2213134331 is a deficient number, since it is larger than the sum of its proper divisors (1238869).

2213134331 is a wasteful number, since it uses less digits than its factorization.

2213134331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238868.

The product of its digits is 1296, while the sum is 23.

The square root of 2213134331 is about 47043.9616847901. The cubic root of 2213134331 is about 1303.1745553415.

Adding to 2213134331 its reverse (1334313122), we get a palindrome (3547447453).

The spelling of 2213134331 in words is "two billion, two hundred thirteen million, one hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 1789 1237079 2213134331