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2031230313 = 32732241751
BaseRepresentation
bin111100100010010…
…0001110101101001
312020120010012011100
41321010201311221
513124443332223
6533320152013
7101223113160
oct17104416551
95216105140
102031230313
11952638442
12488308609
13264a90338
14153aa83d7
15bd4d1043
hex79121d69

2031230313 has 12 divisors (see below), whose sum is σ = 3353142208. Its totient is φ = 1160703000.

The previous prime is 2031230309. The next prime is 2031230317. The reversal of 2031230313 is 3130321302.

It is an interprime number because it is at equal distance from previous prime (2031230309) and next prime (2031230317).

It is not a de Polignac number, because 2031230313 - 22 = 2031230309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031230317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16120813 + ... + 16120938.

Almost surely, 22031230313 is an apocalyptic number.

It is an amenable number.

2031230313 is a deficient number, since it is larger than the sum of its proper divisors (1321911895).

2031230313 is a wasteful number, since it uses less digits than its factorization.

2031230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32241764 (or 32241761 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2031230313 is about 45069.1725351154. The cubic root of 2031230313 is about 1266.4451632606.

Adding to 2031230313 its reverse (3130321302), we get a palindrome (5161551615).

It can be divided in two parts, 20312 and 30313, that added together give a 4-th power (50625 = 154).

The spelling of 2031230313 in words is "two billion, thirty-one million, two hundred thirty thousand, three hundred thirteen".

Divisors: 1 3 7 9 21 63 32241751 96725253 225692257 290175759 677076771 2031230313