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2130211313 = 4903434471
BaseRepresentation
bin111111011111000…
…0111000111110001
312111110100221120022
41332332013013301
513330313230223
6551213453225
7103534332416
oct17676070761
95443327508
102130211313
119a34a331a
124b54a1215
1327c438089
14162cb210d
15c7033ac8
hex7ef871f1

2130211313 has 4 divisors (see below), whose sum is σ = 2130650688. Its totient is φ = 2129771940.

The previous prime is 2130211273. The next prime is 2130211361. The reversal of 2130211313 is 3131120312.

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 2130211313 - 214 = 2130194929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130211291 and 2130211300.

It is not an unprimeable number, because it can be changed into a prime (2130211393) 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, 212333 + ... + 222138.

It is an arithmetic number, because the mean of its divisors is an integer number (532662672).

Almost surely, 22130211313 is an apocalyptic number.

It is an amenable number.

2130211313 is a deficient number, since it is larger than the sum of its proper divisors (439375).

2130211313 is an equidigital number, since it uses as much as digits as its factorization.

2130211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439374.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2130211313 is about 46154.2122996374. The cubic root of 2130211313 is about 1286.6908984119.

Adding to 2130211313 its reverse (3131120312), we get a palindrome (5261331625).

The spelling of 2130211313 in words is "two billion, one hundred thirty million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 4903 434471 2130211313