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213110312011 = 5691529924481
BaseRepresentation
bin1100011001111001011…
…1010100110001001011
3202101002000122112120221
43012132113110301023
511442422214441021
6241522421330511
721253033523002
oct3063627246113
9671060575527
10213110312011
118241a240703
1235376266a37
131713350524c
14a459363c39
155824416241
hex319e5d4c4b

213110312011 has 8 divisors (see below), whose sum is σ = 213507522000. Its totient is φ = 212713182720.

The previous prime is 213110312003. The next prime is 213110312027. The reversal of 213110312011 is 110213011312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213110312011 - 23 = 213110312003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213110312711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8692891 + ... + 8717371.

It is an arithmetic number, because the mean of its divisors is an integer number (26688440250).

Almost surely, 2213110312011 is an apocalyptic number.

213110312011 is a deficient number, since it is larger than the sum of its proper divisors (397209989).

213110312011 is a wasteful number, since it uses less digits than its factorization.

213110312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40349.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 213110312011 its reverse (110213011312), we get a palindrome (323323323323).

The spelling of 213110312011 in words is "two hundred thirteen billion, one hundred ten million, three hundred twelve thousand, eleven".

Divisors: 1 569 15299 24481 8705131 13929689 374534819 213110312011