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311013202211 = 8812339150929
BaseRepresentation
bin1001000011010011101…
…01001101100100100011
31002201210001012200000022
410201221311031210203
520043423334432321
6354513312144055
731320124412525
oct4415165154443
91081701180008
10311013202211
1110a999932108
125033983802b
13234366c94ca
14110a5a8ba15
1581544a9dab
hex4869d4d923

311013202211 has 8 divisors (see below), whose sum is σ = 311501408400. Its totient is φ = 310525304320.

The previous prime is 311013202207. The next prime is 311013202277. The reversal of 311013202211 is 112202310113.

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 311013202211 - 22 = 311013202207 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 311013202211.

It is not an unprimeable number, because it can be changed into a prime (311013262211) 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, 1985195 + ... + 2136123.

It is an arithmetic number, because the mean of its divisors is an integer number (38937676050).

Almost surely, 2311013202211 is an apocalyptic number.

311013202211 is a deficient number, since it is larger than the sum of its proper divisors (488206189).

311013202211 is a wasteful number, since it uses less digits than its factorization.

311013202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154149.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 311013202211 its reverse (112202310113), we get a palindrome (423215512324).

The spelling of 311013202211 in words is "three hundred eleven billion, thirteen million, two hundred two thousand, two hundred eleven".

Divisors: 1 881 2339 150929 2060659 132968449 353022931 311013202211