Search a number
-
+
3113522321 = 71322631887
BaseRepresentation
bin1011100110010100…
…1001010010010001
322000222122022200112
42321211021102101
522334030203241
61232541331105
7140104334360
oct27145112221
98028568615
103113522321
111358558448
1272a866a95
133a8080c00
142177177d7
1513351a1eb
hexb9949491

3113522321 has 12 divisors (see below), whose sum is σ = 3853084032. Its totient is φ = 2463445296.

The previous prime is 3113522297. The next prime is 3113522339. The reversal of 3113522321 is 1232253113.

It is not a de Polignac number, because 3113522321 - 26 = 3113522257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3113522921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314761 + ... + 1317126.

It is an arithmetic number, because the mean of its divisors is an integer number (321090336).

Almost surely, 23113522321 is an apocalyptic number.

It is an amenable number.

3113522321 is a deficient number, since it is larger than the sum of its proper divisors (739561711).

3113522321 is a wasteful number, since it uses less digits than its factorization.

3113522321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631920 (or 2631907 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 3113522321 is about 55798.9455187103. The cubic root of 3113522321 is about 1460.2167566151.

Adding to 3113522321 its reverse (1232253113), we get a palindrome (4345775434).

The spelling of 3113522321 in words is "three billion, one hundred thirteen million, five hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 7 13 91 169 1183 2631887 18423209 34214531 239501717 444788903 3113522321