Search a number
-
+
2231231102 = 21115615551
BaseRepresentation
bin1000010011111101…
…1110001001111110
312202111110021122222
42010333132021332
514032143343402
61005223005342
7106202102642
oct20477361176
95674407588
102231231102
11a45520a51
12523299852
13297347ab9
1417248ac22
15d0d3a7a2
hex84fde27e

2231231102 has 4 divisors (see below), whose sum is σ = 3346846656. Its totient is φ = 1115615550.

The previous prime is 2231231069. The next prime is 2231231179. The reversal of 2231231102 is 2011321322.

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

It is a super-3 number, since 3×22312311023 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 557807774 + ... + 557807777.

It is an arithmetic number, because the mean of its divisors is an integer number (836711664).

Almost surely, 22231231102 is an apocalyptic number.

2231231102 is a deficient number, since it is larger than the sum of its proper divisors (1115615554).

2231231102 is a wasteful number, since it uses less digits than its factorization.

2231231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115615553.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2231231102 is about 47235.9090311598. The cubic root of 2231231102 is about 1306.7169313610.

Adding to 2231231102 its reverse (2011321322), we get a palindrome (4242552424).

The spelling of 2231231102 in words is "two billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 1115615551 2231231102