Search a number
-
+
2132031131 = 3757622463
BaseRepresentation
bin111111100010100…
…0011011010011011
312111120210101212222
41333011003122123
513331244444011
6551320454255
7103555652126
oct17705033233
95446711788
102132031131
119a45265aa
124b601a38b
1327c9244a9
141632273bd
15c7292ddb
hex7f14369b

2132031131 has 4 divisors (see below), whose sum is σ = 2189653632. Its totient is φ = 2074408632.

The previous prime is 2132031103. The next prime is 2132031133. The reversal of 2132031131 is 1311302312.

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

It is a cyclic number.

It is not a de Polignac number, because 2132031131 - 222 = 2127836827 is a prime.

It is a super-2 number, since 2×21320311312 = 9091113487106278322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132031133) 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, 28811195 + ... + 28811268.

It is an arithmetic number, because the mean of its divisors is an integer number (547413408).

Almost surely, 22132031131 is an apocalyptic number.

2132031131 is a deficient number, since it is larger than the sum of its proper divisors (57622501).

2132031131 is an equidigital number, since it uses as much as digits as its factorization.

2132031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57622500.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2132031131 is about 46173.9226295536. The cubic root of 2132031131 is about 1287.0571964679.

Adding to 2132031131 its reverse (1311302312), we get a palindrome (3443333443).

The spelling of 2132031131 in words is "two billion, one hundred thirty-two million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 37 57622463 2132031131