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311030321322101 = 2327739487510633
BaseRepresentation
bin100011010111000010110001…
…1110100010001100001110101
31111210021012121212112000121012
41012232011203310101201311
5311231410044224301401
63021301205043002005
7122341125211645403
oct10656054364214165
91453235555460535
10311030321322101
119011624492a517
122aa73915369305
1310472058645b84
1456b3d3ad7a473
1525e592be638bb
hex11ae163d11875

311030321322101 has 8 divisors (see below), whose sum is σ = 324565079691840. Its totient is φ = 297496538029152.

The previous prime is 311030321322079. The next prime is 311030321322109. The reversal of 311030321322101 is 101223123030113.

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

It is not a de Polignac number, because 311030321322101 - 222 = 311030317127797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311030321322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243117320 + ... + 244393313.

It is an arithmetic number, because the mean of its divisors is an integer number (40570634961480).

Almost surely, 2311030321322101 is an apocalyptic number.

It is an amenable number.

311030321322101 is a deficient number, since it is larger than the sum of its proper divisors (13534758369739).

311030321322101 is a wasteful number, since it uses less digits than its factorization.

311030321322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487538395.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311030321322101 its reverse (101223123030113), we get a palindrome (412253444352214).

The spelling of 311030321322101 in words is "three hundred eleven trillion, thirty billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred one".

Divisors: 1 23 27739 637997 487510633 11212744559 13523057448787 311030321322101