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313331011 = 7108741179
BaseRepresentation
bin10010101011010…
…000110101000011
3210211120212100021
4102223100311003
51120203043021
651031434311
710523161330
oct2253206503
9724525307
10313331011
1115095a254
1288b25997
134cbb7886
142d883987
151c793c41
hex12ad0d43

313331011 has 8 divisors (see below), whose sum is σ = 358430720. Its totient is φ = 268315848.

The previous prime is 313331003. The next prime is 313331041. The reversal of 313331011 is 110133313.

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

It is a cyclic number.

It is not a de Polignac number, because 313331011 - 23 = 313331003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313331041) 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 7 ways as a sum of consecutive naturals, for example, 12981 + ... + 28198.

It is an arithmetic number, because the mean of its divisors is an integer number (44803840).

Almost surely, 2313331011 is an apocalyptic number.

313331011 is a deficient number, since it is larger than the sum of its proper divisors (45099709).

313331011 is a wasteful number, since it uses less digits than its factorization.

313331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42273.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 313331011 is about 17701.1584649141. The cubic root of 313331011 is about 679.2053946442.

Adding to 313331011 its reverse (110133313), we get a palindrome (423464324).

The spelling of 313331011 in words is "three hundred thirteen million, three hundred thirty-one thousand, eleven".

Divisors: 1 7 1087 7609 41179 288253 44761573 313331011