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312213403011 = 3198876175229
BaseRepresentation
bin1001000101100010101…
…11100111010110000011
31002211212200121011222210
410202301113213112003
520103403112344021
6355232344433203
731361640065316
oct4426127472603
91084780534883
10312213403011
111104553657a4
1250613778803
13235982611b3
141117b23097d
1581c4a34e76
hex48b15e7583

312213403011 has 16 divisors (see below), whose sum is σ = 438688339200. Its totient is φ = 196965072288.

The previous prime is 312213402971. The next prime is 312213403097. The reversal of 312213403011 is 110304312213.

It is not a de Polignac number, because 312213403011 - 29 = 312213402499 is a prime.

It is a super-2 number, since 2×3122134030112 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312213405011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037056 + ... + 3138173.

It is an arithmetic number, because the mean of its divisors is an integer number (27418021200).

Almost surely, 2312213403011 is an apocalyptic number.

312213403011 is a deficient number, since it is larger than the sum of its proper divisors (126474936189).

312213403011 is a wasteful number, since it uses less digits than its factorization.

312213403011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176138.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312213403011 its reverse (110304312213), we get a palindrome (422517715224).

The spelling of 312213403011 in words is "three hundred twelve billion, two hundred thirteen million, four hundred three thousand, eleven".

Divisors: 1 3 19 57 887 2661 16853 50559 6175229 18525687 117329351 351988053 5477428123 16432284369 104071134337 312213403011