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31022124244 = 2259131449679
BaseRepresentation
bin11100111001000100…
…000000110011010100
32222001222121012020121
4130321010000303110
51002013130433434
622130143441324
72145520463626
oct347104006324
988058535217
1031022124244
111217a1a9111
1260192b6244
132c0507a547
1417040b4c16
15c1872a7b4
hex739100cd4

31022124244 has 12 divisors (see below), whose sum is σ = 55208865600. Its totient is φ = 15248162648.

The previous prime is 31022124227. The next prime is 31022124281. The reversal of 31022124244 is 44242122013.

It is a super-2 number, since 2×310221242442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65724604 + ... + 65725075.

It is an arithmetic number, because the mean of its divisors is an integer number (4600738800).

Almost surely, 231022124244 is an apocalyptic number.

It is an amenable number.

31022124244 is a deficient number, since it is larger than the sum of its proper divisors (24186741356).

31022124244 is a wasteful number, since it uses less digits than its factorization.

31022124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131449742 (or 131449740 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31022124244 its reverse (44242122013), we get a palindrome (75264246257).

The spelling of 31022124244 in words is "thirty-one billion, twenty-two million, one hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 4 59 118 236 131449679 262899358 525798716 7755531061 15511062122 31022124244