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20313031020302 = 287853115608067
BaseRepresentation
bin1001001111001011111101…
…11111111000111100001110
32122220220111001112221201102
410213211332333320330032
510130302041420122202
6111111402211143102
74164365562550136
oct447457677707416
978826431487642
1020313031020302
1165217874a67a9
122340974ba4a92
13b44683a55837
14503227cc1ac6
152535c6572d02
hex12797eff8f0e

20313031020302 has 8 divisors (see below), whose sum is σ = 30469893618216. Its totient is φ = 10156399814232.

The previous prime is 20313031020287. The next prime is 20313031020367. The reversal of 20313031020302 is 20302013031302.

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

It is a super-2 number, since 2×203130310203022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 57628328 + ... + 57979739.

It is an arithmetic number, because the mean of its divisors is an integer number (3808736702277).

Almost surely, 220313031020302 is an apocalyptic number.

20313031020302 is a deficient number, since it is larger than the sum of its proper divisors (10156862597914).

20313031020302 is a wasteful number, since it uses less digits than its factorization.

20313031020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115695922.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20313031020302 its reverse (20302013031302), we get a palindrome (40615044051604).

The spelling of 20313031020302 in words is "twenty trillion, three hundred thirteen billion, thirty-one million, twenty thousand, three hundred two".

Divisors: 1 2 87853 175706 115608067 231216134 10156515510151 20313031020302