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31022040022 = 229947564797
BaseRepresentation
bin11100111001000011…
…101100001111010110
32222001222102220201021
4130321003230033112
51002013120240042
622130141551354
72145516663241
oct347103541726
988058386637
1031022040022
111217a150906
12601927555a
132c0504b0cc
141704092258
15c18710867
hex7390ec3d6

31022040022 has 16 divisors (see below), whose sum is σ = 48188565360. Its totient is φ = 14960316448.

The previous prime is 31022040019. The next prime is 31022040067. The reversal of 31022040022 is 22004022013.

It is a junction number, because it is equal to n+sod(n) for n = 31022039978 and 31022040005.

It is a congruent number.

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, 227473 + ... + 337324.

It is an arithmetic number, because the mean of its divisors is an integer number (3011785335).

Almost surely, 231022040022 is an apocalyptic number.

31022040022 is a deficient number, since it is larger than the sum of its proper divisors (17166525338).

31022040022 is a wasteful number, since it uses less digits than its factorization.

31022040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565775.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 31022040022 its reverse (22004022013), we get a palindrome (53026062035).

The spelling of 31022040022 in words is "thirty-one billion, twenty-two million, forty thousand, twenty-two".

Divisors: 1 2 29 58 947 1894 27463 54926 564797 1129594 16379113 32758226 534862759 1069725518 15511020011 31022040022