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214311121 = 799727967
BaseRepresentation
bin11001100011000…
…10000011010001
3112221021010120221
430301202003101
5414330423441
633133233041
75211420523
oct1461420321
9487233527
10214311121
11aaa78132
125b932781
133552821b
1420669a13
1513c348d1
hexcc620d1

214311121 has 8 divisors (see below), whose sum is σ = 219269120. Its totient is φ = 209409408.

The previous prime is 214311109. The next prime is 214311133. The reversal of 214311121 is 121113412.

It is an interprime number because it is at equal distance from previous prime (214311109) and next prime (214311133).

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

It is a de Polignac number, because none of the positive numbers 2k-214311121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214311095 and 214311104.

It is not an unprimeable number, because it can be changed into a prime (214311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 21646.

It is an arithmetic number, because the mean of its divisors is an integer number (27408640).

Almost surely, 2214311121 is an apocalyptic number.

It is an amenable number.

214311121 is a deficient number, since it is larger than the sum of its proper divisors (4957999).

214311121 is an equidigital number, since it uses as much as digits as its factorization.

214311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28143.

The product of its digits is 48, while the sum is 16.

The square root of 214311121 is about 14639.3688730082. The cubic root of 214311121 is about 598.4321296880.

Adding to 214311121 its reverse (121113412), we get a palindrome (335424533).

The spelling of 214311121 in words is "two hundred fourteen million, three hundred eleven thousand, one hundred twenty-one".

Divisors: 1 79 97 7663 27967 2209393 2712799 214311121