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133131032002221 = 31123175403204219
BaseRepresentation
bin11110010001010011111011…
…110111101111111010101101
3122110101012110112002221202020
4132101103323313233322231
5114422204323143032341
61151051315104020353
740020254036462001
oct3621237367577255
9573335415087666
10133131032002221
113946860a934630
1212b218293016b9
135939282a201c6
1424c380d63c701
15105d09c554566
hex7914fbdefead

133131032002221 has 16 divisors (see below), whose sum is σ = 202064491261440. Its totient is φ = 77177409855920.

The previous prime is 133131032002193. The next prime is 133131032002231. The reversal of 133131032002221 is 122200230131331.

It is not a de Polignac number, because 133131032002221 - 225 = 133130998447789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133131032002191 and 133131032002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131032002231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87701601351 + ... + 87701602868.

It is an arithmetic number, because the mean of its divisors is an integer number (12629030703840).

Almost surely, 2133131032002221 is an apocalyptic number.

133131032002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133131032002221 is a deficient number, since it is larger than the sum of its proper divisors (68933459259219).

133131032002221 is a wasteful number, since it uses less digits than its factorization.

133131032002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175403204256.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 133131032002221 its reverse (122200230131331), we get a palindrome (255331262133552).

The spelling of 133131032002221 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, thirty-two million, two thousand, two hundred twenty-one".

Divisors: 1 3 11 23 33 69 253 759 175403204219 526209612657 1929435246409 4034273697037 5788305739227 12102821091111 44377010667407 133131032002221