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312213203011 = 4120443372497
BaseRepresentation
bin1001000101100010101…
…10110110100001000011
31002211212200020000122101
410202301112312201003
520103403034444021
6355232340251231
731361635303243
oct4426126664103
91084780200571
10312213203011
11110455239506
12506136a0b17
13235981c1158
141117b1bbb23
1581c49e5a91
hex48b15b6843

312213203011 has 8 divisors (see below), whose sum is σ = 319844662704. Its totient is φ = 304582529280.

The previous prime is 312213202921. The next prime is 312213203021. The reversal of 312213203011 is 110302312213.

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 312213203011 - 221 = 312211105859 is a prime.

It is a super-2 number, since 2×3122132030112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312213203011.

It is not an unprimeable number, because it can be changed into a prime (312213203021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651915 + ... + 1024411.

It is an arithmetic number, because the mean of its divisors is an integer number (39980582838).

Almost surely, 2312213203011 is an apocalyptic number.

312213203011 is a deficient number, since it is larger than the sum of its proper divisors (7631459693).

312213203011 is a wasteful number, since it uses less digits than its factorization.

312213203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392981.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312213203011 its reverse (110302312213), we get a palindrome (422515515224).

The spelling of 312213203011 in words is "three hundred twelve billion, two hundred thirteen million, two hundred three thousand, eleven".

Divisors: 1 41 20443 372497 838163 15272377 7614956171 312213203011