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3130230123013 = 7447175731859
BaseRepresentation
bin101101100011010000010…
…000010010101000000101
3102002020200010012222111111
4231203100100102220011
5402241202402414023
610354001411005021
7442103010016030
oct55432020225005
912066603188444
103130230123013
11aa7583332714
124267ab899771
131992442a79a6
14ab70ab86017
15566578b200d
hex2d8d0412a05

3130230123013 has 4 divisors (see below), whose sum is σ = 3577405854880. Its totient is φ = 2683054391148.

The previous prime is 3130230122993. The next prime is 3130230123043. The reversal of 3130230123013 is 3103210320313.

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 3130230123013 - 225 = 3130196568581 is a prime.

It is a super-2 number, since 2×31302301230132 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130230123043) 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, 223587865923 + ... + 223587865936.

It is an arithmetic number, because the mean of its divisors is an integer number (894351463720).

Almost surely, 23130230123013 is an apocalyptic number.

It is an amenable number.

3130230123013 is a deficient number, since it is larger than the sum of its proper divisors (447175731867).

3130230123013 is an equidigital number, since it uses as much as digits as its factorization.

3130230123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447175731866.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3130230123013 its reverse (3103210320313), we get a palindrome (6233440443326).

The spelling of 3130230123013 in words is "three trillion, one hundred thirty billion, two hundred thirty million, one hundred twenty-three thousand, thirteen".

Divisors: 1 7 447175731859 3130230123013