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311023303130122 = 21133563421220477
BaseRepresentation
bin100011010110111111100000…
…1011111111111110000001010
31111210020112111202112221002221
41012231333001133333300022
5311231301211100130442
63021254044414444254
7122340456252210322
oct10655770137776012
91453215452487087
10311023303130122
119011327328aa60
122aa72496b0368a
13104714aa64075b
1456b3872c46282
1525e566ac54467
hex11adfc17ffc0a

311023303130122 has 16 divisors (see below), whose sum is σ = 508962388449312. Its totient is φ = 141370016155120.

The previous prime is 311023303130119. The next prime is 311023303130149. The reversal of 311023303130122 is 221031303320113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209871853 + ... + 211348624.

It is an arithmetic number, because the mean of its divisors is an integer number (31810149278082).

Almost surely, 2311023303130122 is an apocalyptic number.

311023303130122 is a deficient number, since it is larger than the sum of its proper divisors (197939085319190).

311023303130122 is a wasteful number, since it uses less digits than its factorization.

311023303130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421254053.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 311023303130122 its reverse (221031303320113), we get a palindrome (532054606450235).

The spelling of 311023303130122 in words is "three hundred eleven trillion, twenty-three billion, three hundred three million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 33563 67126 369193 738386 421220477 842440954 4633425247 9266850494 14137422869551 28274845739102 155511651565061 311023303130122