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131120310305320 = 2357468286822519
BaseRepresentation
bin11101110100000011010011…
…100001001100001000101000
3122012020222102212111110121221
4131310003103201030020220
5114141233343414232240
61142511501115511424
736422062344163240
oct3564032341141050
9565228385443557
10131120310305320
11388628a1960216
1212857bb2758574
1358217911036ab
142454384c44b20
151025b1815ca4a
hex7740d384c228

131120310305320 has 32 divisors (see below), whose sum is σ = 337166512214400. Its totient is φ = 44955534961728.

The previous prime is 131120310305297. The next prime is 131120310305353. The reversal of 131120310305320 is 23503013021131.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 234143410980 + ... + 234143411539.

It is an arithmetic number, because the mean of its divisors is an integer number (10536453506700).

Almost surely, 2131120310305320 is an apocalyptic number.

131120310305320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120310305320 is an abundant number, since it is smaller than the sum of its proper divisors (206046201909080).

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

131120310305320 is a wasteful number, since it uses less digits than its factorization.

131120310305320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468286822537 (or 468286822533 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 131120310305320 its reverse (23503013021131), we get a palindrome (154623323326451).

The spelling of 131120310305320 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred ten million, three hundred five thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 468286822519 936573645038 1873147290076 2341434112595 3278007757633 3746294580152 4682868225190 6556015515266 9365736450380 13112031030532 16390038788165 18731472900760 26224062061064 32780077576330 65560155152660 131120310305320