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311421123214 = 2383340623679
BaseRepresentation
bin1001000100000100010…
…01010011101010001110
31002202211110210012102121
410202002021103222032
520100242301420324
6355022003243154
731333206604555
oct4420211235216
91082743705377
10311421123214
11110089118203
12504323794ba
13234a0082296
1411103d14d9c
15817a1d55e4
hex4882253a8e

311421123214 has 8 divisors (see below), whose sum is σ = 467253567360. Its totient is φ = 155669934096.

The previous prime is 311421123187. The next prime is 311421123239. The reversal of 311421123214 is 412321124113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20304174 + ... + 20319505.

It is an arithmetic number, because the mean of its divisors is an integer number (58406695920).

Almost surely, 2311421123214 is an apocalyptic number.

311421123214 is a deficient number, since it is larger than the sum of its proper divisors (155832444146).

311421123214 is a wasteful number, since it uses less digits than its factorization.

311421123214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40627514.

The product of its digits is 1152, while the sum is 25.

Adding to 311421123214 its reverse (412321124113), we get a palindrome (723742247327).

The spelling of 311421123214 in words is "three hundred eleven billion, four hundred twenty-one million, one hundred twenty-three thousand, two hundred fourteen".

Divisors: 1 2 3833 7666 40623679 81247358 155710561607 311421123214