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3130023321 = 32347780369
BaseRepresentation
bin1011101010010000…
…0101110110011001
322002010200122210200
42322210011312121
522402241221241
61234331132413
7140364521265
oct27244056631
98063618720
103130023321
1113668a8937
127342a4109
133ab60a809
142199b10a5
15134bc94b6
hexba905d99

3130023321 has 6 divisors (see below), whose sum is σ = 4521144810. Its totient is φ = 2086682208.

The previous prime is 3130023319. The next prime is 3130023343. The reversal of 3130023321 is 1233200313.

3130023321 is a `hidden beast` number, since 31 + 300 + 2 + 332 + 1 = 666.

3130023321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3081915225 + 48108096 = 55515^2 + 6936^2 .

It is not a de Polignac number, because 3130023321 - 21 = 3130023319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130023294 and 3130023303.

It is not an unprimeable number, because it can be changed into a prime (3130023361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173890176 + ... + 173890193.

It is an arithmetic number, because the mean of its divisors is an integer number (753524135).

Almost surely, 23130023321 is an apocalyptic number.

It is an amenable number.

3130023321 is a deficient number, since it is larger than the sum of its proper divisors (1391121489).

3130023321 is a wasteful number, since it uses less digits than its factorization.

3130023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347780375 (or 347780372 counting only the distinct ones).

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

The square root of 3130023321 is about 55946.6113451029. The cubic root of 3130023321 is about 1462.7918246500.

Adding to 3130023321 its reverse (1233200313), we get a palindrome (4363223634).

The spelling of 3130023321 in words is "three billion, one hundred thirty million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 3 9 347780369 1043341107 3130023321