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2231113001 = 13389441193
BaseRepresentation
bin1000010011111100…
…0001010100101001
312202111020021122212
42010333001110221
514032131104001
61005220254505
7106201101425
oct20477012451
95674207585
102231113001
11a45450247
12523241435
13297306110
14172459b85
15d0d157bb
hex84fc1529

2231113001 has 8 divisors (see below), whose sum is σ = 2408919240. Its totient is φ = 2054189952.

The previous prime is 2231112937. The next prime is 2231113063. The reversal of 2231113001 is 1003111322.

It can be written as a sum of positive squares in 4 ways, for example, as 88811776 + 2142301225 = 9424^2 + 46285^2 .

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 2231113001 - 26 = 2231112937 is a prime.

It is a super-3 number, since 3×22311130013 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231113901) 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, 215540 + ... + 225653.

It is an arithmetic number, because the mean of its divisors is an integer number (301114905).

Almost surely, 22231113001 is an apocalyptic number.

It is an amenable number.

2231113001 is a deficient number, since it is larger than the sum of its proper divisors (177806239).

2231113001 is a wasteful number, since it uses less digits than its factorization.

2231113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441595.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2231113001 is about 47234.6588957727. The cubic root of 2231113001 is about 1306.6938757335.

Adding to 2231113001 its reverse (1003111322), we get a palindrome (3234224323).

The spelling of 2231113001 in words is "two billion, two hundred thirty-one million, one hundred thirteen thousand, one".

Divisors: 1 13 389 5057 441193 5735509 171624077 2231113001