Search a number
-
+
213310231313 = 1401115224483
BaseRepresentation
bin1100011010101001000…
…1111101001100010001
3202101120221211111022112
43012222101331030101
511443324404400223
6241554322315105
721261012023054
oct3065221751421
9671527744275
10213310231313
1182512078a73
12354111b8a95
1317165a618aa
14a477b24a9b
155836c56778
hex31aa47d311

213310231313 has 4 divisors (see below), whose sum is σ = 213325469808. Its totient is φ = 213294992820.

The previous prime is 213310231297. The next prime is 213310231327. The reversal of 213310231313 is 313132013312.

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 213310231313 - 24 = 213310231297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213310231363) 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, 7598231 + ... + 7626252.

It is an arithmetic number, because the mean of its divisors is an integer number (53331367452).

Almost surely, 2213310231313 is an apocalyptic number.

It is an amenable number.

213310231313 is a deficient number, since it is larger than the sum of its proper divisors (15238495).

213310231313 is a wasteful number, since it uses less digits than its factorization.

213310231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15238494.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213310231313 its reverse (313132013312), we get a palindrome (526442244625).

The spelling of 213310231313 in words is "two hundred thirteen billion, three hundred ten million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 14011 15224483 213310231313