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311101113 = 3103700371
BaseRepresentation
bin10010100010110…
…000011010111001
3210200101120111110
4102202300122321
51114120213423
650511550533
710465213221
oct2242603271
9720346443
10311101113
1114a676964
128822b449
134c5b68cb
142d463081
151c4a3193
hex128b06b9

311101113 has 4 divisors (see below), whose sum is σ = 414801488. Its totient is φ = 207400740.

The previous prime is 311101103. The next prime is 311101121.

311101113 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 311101113 - 25 = 311101081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51850183 + ... + 51850188.

It is an arithmetic number, because the mean of its divisors is an integer number (103700372).

Almost surely, 2311101113 is an apocalyptic number.

It is an amenable number.

311101113 is a deficient number, since it is larger than the sum of its proper divisors (103700375).

311101113 is a wasteful number, since it uses less digits than its factorization.

311101113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103700374.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 311101113 is about 17638.0586516771. The cubic root of 311101113 is about 677.5903125295.

It can be divided in two parts, 31110 and 1113, that added together give a palindrome (32223).

The spelling of 311101113 in words is "three hundred eleven million, one hundred one thousand, one hundred thirteen".

Divisors: 1 3 103700371 311101113