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2231201011 = 13193889279
BaseRepresentation
bin1000010011111101…
…0110110011110011
312202111101202101111
42010333112303303
514032141413021
61005222214151
7106201616134
oct20477266363
95674352344
102231201011
11a45500386
12523284357
132973371b0
1417247dc8b
15d0d318e1
hex84fd6cf3

2231201011 has 8 divisors (see below), whose sum is σ = 2415284480. Its totient is φ = 2048896512.

The previous prime is 2231201003. The next prime is 2231201051. The reversal of 2231201011 is 1101021322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231201011 - 23 = 2231201003 is a prime.

It is a super-3 number, since 3×22312010113 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231200982 and 2231201000.

It is not an unprimeable number, because it can be changed into a prime (2231201051) 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, 442131 + ... + 447148.

It is an arithmetic number, because the mean of its divisors is an integer number (301910560).

Almost surely, 22231201011 is an apocalyptic number.

2231201011 is a deficient number, since it is larger than the sum of its proper divisors (184083469).

2231201011 is a wasteful number, since it uses less digits than its factorization.

2231201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889485.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2231201011 is about 47235.5905118164. The cubic root of 2231201011 is about 1306.7110570859.

Adding to 2231201011 its reverse (1101021322), we get a palindrome (3332222333).

The spelling of 2231201011 in words is "two billion, two hundred thirty-one million, two hundred one thousand, eleven".

Divisors: 1 13 193 2509 889279 11560627 171630847 2231201011