Search a number
-
+
3131214141 = 31199195747
BaseRepresentation
bin1011101010100010…
…1000100100111101
322002012221011022010
42322220220210331
522403042323031
61234412441433
7140410611126
oct27250504475
98065834263
103131214141
111367541590
12734779279
133ab936843
14219c0104d
15134d62246
hexbaa2893d

3131214141 has 16 divisors (see below), whose sum is σ = 4559136768. Its totient is φ = 1895770800.

The previous prime is 3131214011. The next prime is 3131214161. The reversal of 3131214141 is 1414121313.

3131214141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131214141 - 210 = 3131213117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131214161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15171 + ... + 80576.

It is an arithmetic number, because the mean of its divisors is an integer number (284946048).

Almost surely, 23131214141 is an apocalyptic number.

It is an amenable number.

3131214141 is a deficient number, since it is larger than the sum of its proper divisors (1427922627).

3131214141 is a wasteful number, since it uses less digits than its factorization.

3131214141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96752.

The product of its digits is 288, while the sum is 21.

The square root of 3131214141 is about 55957.2528006871. The cubic root of 3131214141 is about 1462.9773079221.

Adding to 3131214141 its reverse (1414121313), we get a palindrome (4545335454).

The spelling of 3131214141 in words is "three billion, one hundred thirty-one million, two hundred fourteen thousand, one hundred forty-one".

Divisors: 1 3 11 33 991 2973 10901 32703 95747 287241 1053217 3159651 94885277 284655831 1043738047 3131214141