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131023131031102 = 2283577374009381
BaseRepresentation
bin11101110010101000110011…
…001011101011011000111110
3122011220200121021112211201111
4131302220303023223120332
5114133140333020443402
61142355110114432234
736412052221034122
oct3562506313533076
9564820537484644
10131023131031102
1138825663779152
12128411b159267a
135815574ac9a7b
14244d7a6681582
15102332b8a39d7
hex772a332eb63e

131023131031102 has 16 divisors (see below), whose sum is σ = 197232630624432. Its totient is φ = 65278928957760.

The previous prime is 131023131031099. The next prime is 131023131031103. The reversal of 131023131031102 is 201130131320131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023131031103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30674452 + ... + 34683832.

It is an arithmetic number, because the mean of its divisors is an integer number (12327039414027).

Almost surely, 2131023131031102 is an apocalyptic number.

131023131031102 is a deficient number, since it is larger than the sum of its proper divisors (66209499593330).

131023131031102 is a wasteful number, since it uses less digits than its factorization.

131023131031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067403.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131023131031102 its reverse (201130131320131), we get a palindrome (332153262351233).

The spelling of 131023131031102 in words is "one hundred thirty-one trillion, twenty-three billion, one hundred thirty-one million, thirty-one thousand, one hundred two".

Divisors: 1 2 283 566 57737 115474 4009381 8018762 16339571 32679142 1134654823 2269309646 231489630797 462979261594 65511565515551 131023131031102