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11313012213 = 321257001357
BaseRepresentation
bin10101000100100111…
…01101110111110101
31002012102102120021100
422202103231313311
5141132112342323
65110325040313
7550230005616
oct124223556765
932172376240
1011313012213
11488599a578
122238856099
1310b3a30089
147946adc0d
154632bd943
hex2a24eddf5

11313012213 has 6 divisors (see below), whose sum is σ = 16341017654. Its totient is φ = 7542008136.

The previous prime is 11313012211. The next prime is 11313012241. The reversal of 11313012213 is 31221031311.

It can be written as a sum of positive squares in only one way, i.e., 10392375249 + 920636964 = 101943^2 + 30342^2 .

It is not a de Polignac number, because 11313012213 - 21 = 11313012211 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 (11313012211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628500670 + ... + 628500687.

Almost surely, 211313012213 is an apocalyptic number.

It is an amenable number.

11313012213 is a deficient number, since it is larger than the sum of its proper divisors (5028005441).

11313012213 is a wasteful number, since it uses less digits than its factorization.

11313012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257001363 (or 1257001360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11313012213 its reverse (31221031311), we get a palindrome (42534043524).

The spelling of 11313012213 in words is "eleven billion, three hundred thirteen million, twelve thousand, two hundred thirteen".

Divisors: 1 3 9 1257001357 3771004071 11313012213