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131202413134340 = 22556911529210293
BaseRepresentation
bin11101110101001111110001…
…001110101000001000000100
3122012112211100202110022202012
4131311033301032220020010
5114144110020230244330
61143013320112233352
736431030051543552
oct3565176116501004
9565484322408665
10131202413134340
11388946a3857919
121286baa683b858
135829446aa6c22
142458332da4bd2
151027d21051c95
hex7753f13a8204

131202413134340 has 24 divisors (see below), whose sum is σ = 276009294438360. Its totient is φ = 52388731566848.

The previous prime is 131202413134339. The next prime is 131202413134357. The reversal of 131202413134340 is 43431314202131.

It can be written as a sum of positive squares in 4 ways, for example, as 20447163597316 + 110755249537024 = 4521854^2 + 10524032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131202413134297 and 131202413134306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764593767 + ... + 5764616526.

It is an arithmetic number, because the mean of its divisors is an integer number (11500387268265).

Almost surely, 2131202413134340 is an apocalyptic number.

131202413134340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202413134340 is an abundant number, since it is smaller than the sum of its proper divisors (144806881304020).

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

131202413134340 is a wasteful number, since it uses less digits than its factorization.

131202413134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11529210871 (or 11529210869 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131202413134340 its reverse (43431314202131), we get a palindrome (174633727336471).

The spelling of 131202413134340 in words is "one hundred thirty-one trillion, two hundred two billion, four hundred thirteen million, one hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 569 1138 2276 2845 5690 11380 11529210293 23058420586 46116841172 57646051465 115292102930 230584205860 6560120656717 13120241313434 26240482626868 32800603283585 65601206567170 131202413134340