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1031130302231 = 23926319938231
BaseRepresentation
bin11110000000101000010…
…01111100011100010111
310122120112020120122000202
433000110021330130113
5113343223324132411
62105410020531115
7134332240645451
oct17002411743427
93576466518022
101031130302231
113683331a07a7
12147a0b550a9b
1376309891013
1437c9aa3b2d1
151bc4e70e83b
hexf01427c717

1031130302231 has 16 divisors (see below), whose sum is σ = 1040029562880. Its totient is φ = 1022274240960.

The previous prime is 1031130302227. The next prime is 1031130302263. The reversal of 1031130302231 is 1322030311301.

It is a cyclic number.

It is not a de Polignac number, because 1031130302231 - 22 = 1031130302227 is a prime.

It is a super-2 number, since 2×10311303022312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130302431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 125269886 + ... + 125278116.

It is an arithmetic number, because the mean of its divisors is an integer number (65001847680).

Almost surely, 21031130302231 is an apocalyptic number.

1031130302231 is a deficient number, since it is larger than the sum of its proper divisors (8899260649).

1031130302231 is a wasteful number, since it uses less digits than its factorization.

1031130302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031130302231 its reverse (1322030311301), we get a palindrome (2353160613532).

The spelling of 1031130302231 in words is "one trillion, thirty-one billion, one hundred thirty million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 239 263 1993 8231 62857 476327 524159 1967209 2164753 16404383 125274001 517375967 3920647537 4314352729 1031130302231