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31203341422 = 2117119976531
BaseRepresentation
bin11101000011110111…
…010011010001101110
32222112121120222110221
4131003313103101232
51002401023411142
622200135521554
72153151011611
oct350367232156
988477528427
1031203341422
1112262522280
126069b292ba
132c33789446
1417201a8178
15c295c4767
hex743dd346e

31203341422 has 16 divisors (see below), whose sum is σ = 51779170944. Its totient is φ = 13983571000.

The previous prime is 31203341417. The next prime is 31203341447. The reversal of 31203341422 is 22414330213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986704 + ... + 9989827.

It is an arithmetic number, because the mean of its divisors is an integer number (3236198184).

Almost surely, 231203341422 is an apocalyptic number.

31203341422 is a deficient number, since it is larger than the sum of its proper divisors (20575829522).

31203341422 is a wasteful number, since it uses less digits than its factorization.

31203341422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976615.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31203341422 its reverse (22414330213), we get a palindrome (53617671635).

The spelling of 31203341422 in words is "thirty-one billion, two hundred three million, three hundred forty-one thousand, four hundred twenty-two".

Divisors: 1 2 11 22 71 142 781 1562 19976531 39953062 219741841 439483682 1418333701 2836667402 15601670711 31203341422