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31345011122 = 2732131100747
BaseRepresentation
bin11101001100010011…
…101110100110110010
32222220111011112202212
4131030103232212302
51003143310323442
622222200212122
72156521125035
oct351423564662
988814145685
1031345011122
1112325494877
1260a946a042
132c56c2c779
141734d2501c
15c36c5aa82
hex74c4ee9b2

31345011122 has 16 divisors (see below), whose sum is σ = 47684431392. Its totient is φ = 15450406560.

The previous prime is 31345011119. The next prime is 31345011149. The reversal of 31345011122 is 22111054313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260753 + ... + 361499.

It is an arithmetic number, because the mean of its divisors is an integer number (2980276962).

Almost surely, 231345011122 is an apocalyptic number.

31345011122 is a deficient number, since it is larger than the sum of its proper divisors (16339420270).

31345011122 is a wasteful number, since it uses less digits than its factorization.

31345011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102953.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 31345011122 its reverse (22111054313), we get a palindrome (53456065435).

The spelling of 31345011122 in words is "thirty-one billion, three hundred forty-five million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 73 146 2131 4262 100747 155563 201494 311126 7354531 14709062 214691857 429383714 15672505561 31345011122