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311330114 = 2155665057
BaseRepresentation
bin10010100011101…
…000010101000010
3210200211012121222
4102203220111002
51114200030424
650520515042
710500155654
oct2243502502
9720735558
10311330114
1114a812a17
128831ba82
134c666c04
142d4c26d4
151c4eae5e
hex128e8542

311330114 has 4 divisors (see below), whose sum is σ = 466995174. Its totient is φ = 155665056.

The previous prime is 311330113. The next prime is 311330119. The reversal of 311330114 is 411033113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411033113 = 1321311153.

It can be written as a sum of positive squares in only one way, i.e., 271425625 + 39904489 = 16475^2 + 6317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311330092 and 311330101.

It is not an unprimeable number, because it can be changed into a prime (311330113) 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 as a sum of consecutive naturals, namely, 77832527 + ... + 77832530.

Almost surely, 2311330114 is an apocalyptic number.

311330114 is a deficient number, since it is larger than the sum of its proper divisors (155665060).

311330114 is a wasteful number, since it uses less digits than its factorization.

311330114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155665059.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 311330114 is about 17644.5491299721. The cubic root of 311330114 is about 677.7565294443.

Adding to 311330114 its reverse (411033113), we get a palindrome (722363227).

The spelling of 311330114 in words is "three hundred eleven million, three hundred thirty thousand, one hundred fourteen".

Divisors: 1 2 155665057 311330114