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131029345353 = 3311140438741
BaseRepresentation
bin111101000000111110…
…1010010010001001001
3110112012122211101222210
41322001331102101021
54121322003022403
6140105525335333
712316013026134
oct1720175222111
9415178741883
10131029345353
1150629716575
1221489567549
13c482217a1a
1464b009521b
15361d3deb03
hex1e81f52449

131029345353 has 8 divisors (see below), whose sum is σ = 175267550016. Its totient is φ = 87072018800.

The previous prime is 131029345339. The next prime is 131029345373. The reversal of 131029345353 is 353543920131.

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

It is a cyclic number.

It is not a de Polignac number, because 131029345353 - 212 = 131029341257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131029345303) 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 7 ways as a sum of consecutive naturals, for example, 70218438 + ... + 70220303.

It is an arithmetic number, because the mean of its divisors is an integer number (21908443752).

Almost surely, 2131029345353 is an apocalyptic number.

It is an amenable number.

131029345353 is a deficient number, since it is larger than the sum of its proper divisors (44238204663).

131029345353 is a wasteful number, since it uses less digits than its factorization.

131029345353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140439055.

The product of its (nonzero) digits is 145800, while the sum is 39.

The spelling of 131029345353 in words is "one hundred thirty-one billion, twenty-nine million, three hundred forty-five thousand, three hundred fifty-three".

Divisors: 1 3 311 933 140438741 421316223 43676448451 131029345353