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1031132212122 = 231077692088589
BaseRepresentation
bin11110000000101000100…
…01001110101110011010
310122120112101011122220110
433000110101032232122
5113343224321241442
62105410125505150
7134332263121605
oct17002421165632
93576471148813
101031132212122
11368334285721
12147a101121b6
137630a0ac42c
1437c9adb733c
151bc4e98a69c
hexf01444eb9a

1031132212122 has 32 divisors (see below), whose sum is σ = 2084245732800. Its totient is φ = 340055543808.

The previous prime is 1031132212093. The next prime is 1031132212169. The reversal of 1031132212122 is 2212122311301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550597 + ... + 1537992.

It is an arithmetic number, because the mean of its divisors is an integer number (65132679150).

Almost surely, 21031132212122 is an apocalyptic number.

1031132212122 is an abundant number, since it is smaller than the sum of its proper divisors (1053113520678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031132212122 is a wasteful number, since it uses less digits than its factorization.

1031132212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089470.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1031132212122 its reverse (2212122311301), we get a palindrome (3243254523423).

The spelling of 1031132212122 in words is "one trillion, thirty-one billion, one hundred thirty-two million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 107 214 321 642 769 1538 2307 4614 82283 164566 246849 493698 2088589 4177178 6265767 12531534 223479023 446958046 670437069 1340874138 1606124941 3212249882 4818374823 9636749646 171855368687 343710737374 515566106061 1031132212122