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3130022213 = 8337711111
BaseRepresentation
bin1011101010010000…
…0101100101000101
322002010200121021122
42322210011211011
522402241202323
61234331123325
7140364515123
oct27244054505
98063617248
103130022213
1113668a801a
127342a3545
133ab60a166
142199b0913
15134bc8ec8
hexba905945

3130022213 has 4 divisors (see below), whose sum is σ = 3167733408. Its totient is φ = 3092311020.

The previous prime is 3130022191. The next prime is 3130022227. The reversal of 3130022213 is 3122200313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3130022213 - 214 = 3130005829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3130022191 and 3130022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130022243) 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, 18855473 + ... + 18855638.

It is an arithmetic number, because the mean of its divisors is an integer number (791933352).

Almost surely, 23130022213 is an apocalyptic number.

It is an amenable number.

3130022213 is a deficient number, since it is larger than the sum of its proper divisors (37711195).

3130022213 is an equidigital number, since it uses as much as digits as its factorization.

3130022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37711194.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3130022213 is about 55946.6014428044. The cubic root of 3130022213 is about 1462.7916520450.

Adding to 3130022213 its reverse (3122200313), we get a palindrome (6252222526).

The spelling of 3130022213 in words is "three billion, one hundred thirty million, twenty-two thousand, two hundred thirteen".

Divisors: 1 83 37711111 3130022213