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140101331 = 179782689
BaseRepresentation
bin10000101100111…
…00011011010011
3100202121212220012
420112130123103
5241331220311
621522505135
73320561456
oct1026343323
9322555805
10140101331
11720a1227
123ab051ab
13230444c6
141486d49d
15c47678b
hex859c6d3

140101331 has 4 divisors (see below), whose sum is σ = 140884200. Its totient is φ = 139318464.

The previous prime is 140101319. The next prime is 140101333. The reversal of 140101331 is 133101041.

140101331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140101331 - 210 = 140100307 is a prime.

It is a super-2 number, since 2×1401013312 = 39256765895943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140101333) 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, 391166 + ... + 391523.

It is an arithmetic number, because the mean of its divisors is an integer number (35221050).

Almost surely, 2140101331 is an apocalyptic number.

140101331 is a deficient number, since it is larger than the sum of its proper divisors (782869).

140101331 is an equidigital number, since it uses as much as digits as its factorization.

140101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782868.

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

The square root of 140101331 is about 11836.4408079456. The cubic root of 140101331 is about 519.3746563106.

Adding to 140101331 its reverse (133101041), we get a palindrome (273202372).

The spelling of 140101331 in words is "one hundred forty million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 179 782689 140101331