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312034121 = 779564257
BaseRepresentation
bin10010100110010…
…100001101001001
3210202010222100022
4102212110031021
51114340042441
650543550225
710506150320
oct2246241511
9722128308
10312034121
11150153943
12885bb375
134c852499
142d6270b7
151c5d984b
hex12994349

312034121 has 8 divisors (see below), whose sum is σ = 361125120. Its totient is φ = 264071808.

The previous prime is 312034109. The next prime is 312034141. The reversal of 312034121 is 121430213.

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

It is not a de Polignac number, because 312034121 - 26 = 312034057 is a prime.

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 312034121.

It is not an unprimeable number, because it can be changed into a prime (312034141) 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, 281576 + ... + 282681.

It is an arithmetic number, because the mean of its divisors is an integer number (45140640).

Almost surely, 2312034121 is an apocalyptic number.

It is an amenable number.

312034121 is a deficient number, since it is larger than the sum of its proper divisors (49090999).

312034121 is an equidigital number, since it uses as much as digits as its factorization.

312034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564343.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 312034121 is about 17664.4875668670. The cubic root of 312034121 is about 678.2670123865.

Adding to 312034121 its reverse (121430213), we get a palindrome (433464334).

The spelling of 312034121 in words is "three hundred twelve million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 7 79 553 564257 3949799 44576303 312034121