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21031322030301 = 3112872322188239
BaseRepresentation
bin1001100100000101111000…
…11110101001000011011101
32202110120111222210221011010
410302002330132221003131
510224034121414432201
6112421353404245433
74300314523443342
oct462027436510335
982416458727133
1021031322030301
116779374000990
122438017240879
13b973257c3bcb
14529cc85267c9
15267116318bd6
hex1320bc7a90dd

21031322030301 has 16 divisors (see below), whose sum is σ = 30592080276480. Its totient is φ = 12745811436720.

The previous prime is 21031322030297. The next prime is 21031322030309. The reversal of 21031322030301 is 10303022313012.

It is not a de Polignac number, because 21031322030301 - 22 = 21031322030297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031322030309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10146261 + ... + 12041978.

It is an arithmetic number, because the mean of its divisors is an integer number (1912005017280).

Almost surely, 221031322030301 is an apocalyptic number.

It is an amenable number.

21031322030301 is a deficient number, since it is larger than the sum of its proper divisors (9560758246179).

21031322030301 is a wasteful number, since it uses less digits than its factorization.

21031322030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22216976.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21031322030301 its reverse (10303022313012), we get a palindrome (31334344343313).

The spelling of 21031322030301 in words is "twenty-one trillion, thirty-one billion, three hundred twenty-two million, thirty thousand, three hundred one".

Divisors: 1 3 11 33 28723 86169 315953 947859 22188239 66564717 244070629 732211887 637312788797 1911938366391 7010440676767 21031322030301