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311212200034 = 21771663127727
BaseRepresentation
bin1001000011101011011…
…00010101000001100010
31002202021220122210201001
410201311230111001202
520044330310400114
6354545141302214
731325062024231
oct4416554250142
91082256583631
10311212200034
1110aa911a011a
125039440496a
13234689c25b8
14110c428cb18
158166bb7374
hex4875b15062

311212200034 has 16 divisors (see below), whose sum is σ = 494288967168. Its totient is φ = 146449609792.

The previous prime is 311212200031. The next prime is 311212200121. The reversal of 311212200034 is 430002212113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311212199984 and 311212200020.

It is not an unprimeable number, because it can be changed into a prime (311212200031) 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, 2372679 + ... + 2500405.

It is an arithmetic number, because the mean of its divisors is an integer number (30893060448).

Almost surely, 2311212200034 is an apocalyptic number.

311212200034 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

311212200034 is a deficient number, since it is larger than the sum of its proper divisors (183076767134).

311212200034 is a wasteful number, since it uses less digits than its factorization.

311212200034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199409.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 311212200034 its reverse (430002212113), we get a palindrome (741214412147).

The spelling of 311212200034 in words is "three hundred eleven billion, two hundred twelve million, two hundred thousand, thirty-four".

Divisors: 1 2 17 34 71663 127727 143326 255454 1218271 2171359 2436542 4342718 9153300001 18306600002 155606100017 311212200034