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3130230413 = 3253196223
BaseRepresentation
bin1011101010010011…
…1000011010001101
322002011002011212202
42322210320122031
522402314333123
61234335411245
7140366343122
oct27244703215
98064064782
103130230413
111366a2a492
12734383b25
133ab680b5b
14219a26749
15134c1aa28
hexba93868d

3130230413 has 4 divisors (see below), whose sum is σ = 3130359168. Its totient is φ = 3130101660.

The previous prime is 3130230407. The next prime is 3130230421. The reversal of 3130230413 is 3140320313.

3130230413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130230413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130230443) 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, 15581 + ... + 80642.

It is an arithmetic number, because the mean of its divisors is an integer number (782589792).

Almost surely, 23130230413 is an apocalyptic number.

It is an amenable number.

3130230413 is a deficient number, since it is larger than the sum of its proper divisors (128755).

3130230413 is an equidigital number, since it uses as much as digits as its factorization.

3130230413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128754.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3130230413 is about 55948.4621146998. The cubic root of 3130230413 is about 1462.8240848786.

Adding to 3130230413 its reverse (3140320313), we get a palindrome (6270550726).

The spelling of 3130230413 in words is "three billion, one hundred thirty million, two hundred thirty thousand, four hundred thirteen".

Divisors: 1 32531 96223 3130230413