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31103010011333 = 132184041479357
BaseRepresentation
bin1110001001001101110111…
…10111001111100011000101
311002010102022020121221112002
413010212323313033203011
513034042431030330313
6150052305303435045
76360055403654051
oct704467367174305
9132112266557462
1031103010011333
119a01792330117
1235a3b7b155a85
1314480029c5800
14797572504c61
1538e0d9b4a058
hex1c49bbdcf8c5

31103010011333 has 6 divisors (see below), whose sum is σ = 33679590722514. Its totient is φ = 28710470779536.

The previous prime is 31103010011299. The next prime is 31103010011351. The reversal of 31103010011333 is 33311001030113.

It can be written as a sum of positive squares in 3 ways, for example, as 137813940289 + 30965196071044 = 371233^2 + 5564638^2 .

It is not a de Polignac number, because 31103010011333 - 214 = 31103009994949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103010011533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92020739510 + ... + 92020739847.

It is an arithmetic number, because the mean of its divisors is an integer number (5613265120419).

Almost surely, 231103010011333 is an apocalyptic number.

It is an amenable number.

31103010011333 is a deficient number, since it is larger than the sum of its proper divisors (2576580711181).

31103010011333 is a wasteful number, since it uses less digits than its factorization.

31103010011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184041479383 (or 184041479370 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 31103010011333 its reverse (33311001030113), we get a palindrome (64414011041446).

The spelling of 31103010011333 in words is "thirty-one trillion, one hundred three billion, ten million, eleven thousand, three hundred thirty-three".

Divisors: 1 13 169 184041479357 2392539231641 31103010011333