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11144411031 = 3131967224473
BaseRepresentation
bin10100110000100001…
…00011011110010111
31001202200011201221010
422120100203132113
5140310432123111
65041503223303
7543111634155
oct123020433627
931680151833
1011144411031
1147a9802a56
1221b02a7b33
131087b1a670
1477a1423d5
154535b7aa6
hex298423797

11144411031 has 32 divisors (see below), whose sum is σ = 17095939840. Its totient is φ = 6400145664.

The previous prime is 11144411029. The next prime is 11144411077. The reversal of 11144411031 is 13011444111.

It is not a de Polignac number, because 11144411031 - 21 = 11144411029 is a prime.

It is a super-2 number, since 2×111444110312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11144410989 and 11144411007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144411021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62590 + ... + 161883.

It is an arithmetic number, because the mean of its divisors is an integer number (534248120).

Almost surely, 211144411031 is an apocalyptic number.

11144411031 is a deficient number, since it is larger than the sum of its proper divisors (5951528809).

11144411031 is a wasteful number, since it uses less digits than its factorization.

11144411031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224575.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11144411031 its reverse (13011444111), we get a palindrome (24155855142).

The spelling of 11144411031 in words is "eleven billion, one hundred forty-four million, four hundred eleven thousand, thirty-one".

Divisors: 1 3 13 19 39 57 67 201 247 741 871 1273 2613 3819 16549 49647 224473 673419 2918149 4264987 8754447 12794961 15039691 45119073 55444831 166334493 195515983 285754129 586547949 857262387 3714803677 11144411031