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2030130231 = 3676710077
BaseRepresentation
bin111100100000001…
…0101010000110111
312020111001022010120
41321000111100313
513124203131411
6533240423023
7101210552013
oct17100252067
95214038116
102030130231
11951a56988
12487a77a73
132647966bc
1415389d543
15bd365106
hex79015437

2030130231 has 4 divisors (see below), whose sum is σ = 2706840312. Its totient is φ = 1353420152.

The previous prime is 2030130227. The next prime is 2030130241. The reversal of 2030130231 is 1320310302.

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 2030130231 - 22 = 2030130227 is a prime.

It is a super-2 number, since 2×20301302312 = 8242857509640226722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2030130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030130241) 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, 338355036 + ... + 338355041.

It is an arithmetic number, because the mean of its divisors is an integer number (676710078).

Almost surely, 22030130231 is an apocalyptic number.

2030130231 is a deficient number, since it is larger than the sum of its proper divisors (676710081).

2030130231 is an equidigital number, since it uses as much as digits as its factorization.

2030130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676710080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2030130231 is about 45056.9665090760. The cubic root of 2030130231 is about 1266.2164931282.

Adding to 2030130231 its reverse (1320310302), we get a palindrome (3350440533).

The spelling of 2030130231 in words is "two billion, thirty million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 676710077 2030130231