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31110220030213 = 792691463941463
BaseRepresentation
bin1110001001011011010011…
…00111010010000100000101
311002011002220201112212001101
413010231221213102010011
513034202212311431323
6150055500543300101
76360432153056212
oct704555147220405
9132132821485041
1031110220030213
119a04852190005
1235a54518aa631
1314488b168307c
14797a57cd0b09
1538e3acaebdad
hex1c4b699d2105

31110220030213 has 8 divisors (see below), whose sum is σ = 31621135622400. Its totient is φ = 30602232321648.

The previous prime is 31110220030181. The next prime is 31110220030237. The reversal of 31110220030213 is 31203002201113.

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 31110220030213 - 25 = 31110220030181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110220030243) 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, 731949481 + ... + 731991982.

It is an arithmetic number, because the mean of its divisors is an integer number (3952641952800).

Almost surely, 231110220030213 is an apocalyptic number.

It is an amenable number.

31110220030213 is a deficient number, since it is larger than the sum of its proper divisors (510915592187).

31110220030213 is a wasteful number, since it uses less digits than its factorization.

31110220030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463941811.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31110220030213 its reverse (31203002201113), we get a palindrome (62313222231326).

The spelling of 31110220030213 in words is "thirty-one trillion, one hundred ten billion, two hundred twenty million, thirty thousand, two hundred thirteen".

Divisors: 1 79 269 21251 1463941463 115651375577 393800253547 31110220030213