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31422231441 = 3213925117691
BaseRepresentation
bin11101010000111010…
…010011001110010001
310000002212110202010200
4131100322103032101
51003323042401231
622233555245413
72161446363126
oct352072231621
9100085422120
1031422231441
1112365037617
12610b2a9869
132c69c28873
1417412a674d
15c3d910be6
hex750e93391

31422231441 has 12 divisors (see below), whose sum is σ = 45714199440. Its totient is φ = 20797447320.

The previous prime is 31422231437. The next prime is 31422231457. The reversal of 31422231441 is 14413222413.

31422231441 is a `hidden beast` number, since 3 + 1 + 422 + 231 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 31422231441 - 22 = 31422231437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31422231481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12557595 + ... + 12560096.

It is an arithmetic number, because the mean of its divisors is an integer number (3809516620).

Almost surely, 231422231441 is an apocalyptic number.

It is an amenable number.

31422231441 is a deficient number, since it is larger than the sum of its proper divisors (14291967999).

31422231441 is a wasteful number, since it uses less digits than its factorization.

31422231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25117836 (or 25117833 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 31422231441 its reverse (14413222413), we get a palindrome (45835453854).

The spelling of 31422231441 in words is "thirty-one billion, four hundred twenty-two million, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 9 139 417 1251 25117691 75353073 226059219 3491359049 10474077147 31422231441