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2031230230 = 25244783009
BaseRepresentation
bin111100100010010…
…0001110100010110
312020120010012001021
41321010201310112
513124443331410
6533320151354
7101223113011
oct17104416426
95216105037
102031230230
11952638377
1248830855a
13264a902a3
14153aa8378
15bd4d0eda
hex79121d16

2031230230 has 16 divisors (see below), whose sum is σ = 3657752640. Its totient is φ = 812150272.

The previous prime is 2031230221. The next prime is 2031230231. The reversal of 2031230230 is 320321302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031230231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17035 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (228609540).

Almost surely, 22031230230 is an apocalyptic number.

2031230230 is a deficient number, since it is larger than the sum of its proper divisors (1626522410).

2031230230 is a wasteful number, since it uses less digits than its factorization.

2031230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85463.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2031230230 is about 45069.1716143086. The cubic root of 2031230230 is about 1266.4451460108.

Adding to 2031230230 its reverse (320321302), we get a palindrome (2351551532).

The spelling of 2031230230 in words is "two billion, thirty-one million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 2447 4894 12235 24470 83009 166018 415045 830090 203123023 406246046 1015615115 2031230230