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1031131110102 = 23171855185017
BaseRepresentation
bin11110000000101000011…
…01000001101011010110
310122120112022002200012220
433000110031001223112
5113343224031010402
62105410050123210
7134332250551662
oct17002415015326
93576468080186
101031131110102
113683336a2765
12147a0b880506
1376309ab4952
1437c9abab8a2
151bc4e81ddbc
hexf014341ad6

1031131110102 has 8 divisors (see below), whose sum is σ = 2062262220216. Its totient is φ = 343710370032.

The previous prime is 1031131110101. The next prime is 1031131110109. The reversal of 1031131110102 is 2010111311301.

It is a sphenic number, since it is the product of 3 distinct primes.

1031131110102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031131110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85927592503 + ... + 85927592514.

It is an arithmetic number, because the mean of its divisors is an integer number (257782777527).

Almost surely, 21031131110102 is an apocalyptic number.

1031131110102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1031131110102 is a wasteful number, since it uses less digits than its factorization.

1031131110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171855185022.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1031131110102 its reverse (2010111311301), we get a palindrome (3041242421403).

The spelling of 1031131110102 in words is "one trillion, thirty-one billion, one hundred thirty-one million, one hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 171855185017 343710370034 515565555051 1031131110102