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213324310031 = 743576994469
BaseRepresentation
bin1100011010101100011…
…1101010011000001111
3202101121221022202200112
43012223013222120033
511443342010410111
6241555544150235
721261242500640
oct3065307523017
9671557282615
10213324310031
118251a014578
1235415a6837b
1317168950ab1
14a47994b6c7
1558380d7e8b
hex31ab1ea60f

213324310031 has 8 divisors (see below), whose sum is σ = 243855202080. Its totient is φ = 182807415648.

The previous prime is 213324309983. The next prime is 213324310141. The reversal of 213324310031 is 130013423312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213324310031 is a prime.

It is a super-2 number, since 2×2133243100312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213324309979 and 213324310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213324310631) 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, 3466736 + ... + 3527733.

It is an arithmetic number, because the mean of its divisors is an integer number (30481900260).

Almost surely, 2213324310031 is an apocalyptic number.

213324310031 is a deficient number, since it is larger than the sum of its proper divisors (30530892049).

213324310031 is an equidigital number, since it uses as much as digits as its factorization.

213324310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998833.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213324310031 its reverse (130013423312), we get a palindrome (343337733343).

The spelling of 213324310031 in words is "two hundred thirteen billion, three hundred twenty-four million, three hundred ten thousand, thirty-one".

Divisors: 1 7 4357 30499 6994469 48961283 30474901433 213324310031