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1100122131 = 32322770237
BaseRepresentation
bin100000110010010…
…1000100000010011
32211200001222212010
41001210220200103
54223112402011
6301055234003
736155612103
oct10144504023
92750058763
101100122131
11514a99049
12268518903
13146bc4454
14a6171203
15668ac1a6
hex41928813

1100122131 has 16 divisors (see below), whose sum is σ = 1537369344. Its totient is φ = 698426784.

The previous prime is 1100122123. The next prime is 1100122157. The reversal of 1100122131 is 1312210011.

It is not a de Polignac number, because 1100122131 - 23 = 1100122123 is a prime.

It is a super-2 number, since 2×11001221312 = 2420537406231962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100122171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19456 + ... + 50781.

It is an arithmetic number, because the mean of its divisors is an integer number (96085584).

Almost surely, 21100122131 is an apocalyptic number.

1100122131 is a deficient number, since it is larger than the sum of its proper divisors (437247213).

1100122131 is a wasteful number, since it uses less digits than its factorization.

1100122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70490.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1100122131 is about 33168.0890465520. The cubic root of 1100122131 is about 1032.3183181040.

Adding to 1100122131 its reverse (1312210011), we get a palindrome (2412332142).

The spelling of 1100122131 in words is "one billion, one hundred million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 23 69 227 681 5221 15663 70237 210711 1615451 4846353 15943799 47831397 366707377 1100122131