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312211331102 = 21196714675723
BaseRepresentation
bin1001000101100010011…
…11101101100000011110
31002211212112200220212102
410202301033231200132
520103402100043402
6355232232205102
731361613345626
oct4426117554036
91084775626772
10312211331102
11110454180080
1250612b39792
13235979b7108
141117ac51886
1581c4776102
hex48b13ed81e

312211331102 has 16 divisors (see below), whose sum is σ = 511419629952. Its totient is φ = 141767474520.

The previous prime is 312211331087. The next prime is 312211331111. The reversal of 312211331102 is 201133112213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7316588 + ... + 7359135.

It is an arithmetic number, because the mean of its divisors is an integer number (31963726872).

Almost surely, 2312211331102 is an apocalyptic number.

312211331102 is a deficient number, since it is larger than the sum of its proper divisors (199208298850).

312211331102 is a wasteful number, since it uses less digits than its factorization.

312211331102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14676703.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312211331102 its reverse (201133112213), we get a palindrome (513344443315).

The spelling of 312211331102 in words is "three hundred twelve billion, two hundred eleven million, three hundred thirty-one thousand, one hundred two".

Divisors: 1 2 11 22 967 1934 10637 21274 14675723 29351446 161432953 322865906 14191424141 28382848282 156105665551 312211331102