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202131101101 = 297691906259
BaseRepresentation
bin1011110000111111110…
…0111101010110101101
3201022201212022211121211
42330033330331112231
511302431030213401
6232505134554421
720413666003516
oct2741774752655
9638655284554
10202131101101
11787a5811a86
1233211368a11
13160a39a9247
149ad7145a0d
1553d05d1951
hex2f0ff3d5ad

202131101101 has 8 divisors (see below), whose sum is σ = 209128557600. Its totient is φ = 195135472560.

The previous prime is 202131101059. The next prime is 202131101111. The reversal of 202131101101 is 101101131202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202131101101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131101111) 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, 230091 + ... + 676168.

It is an arithmetic number, because the mean of its divisors is an integer number (26141069700).

Almost surely, 2202131101101 is an apocalyptic number.

It is an amenable number.

202131101101 is a deficient number, since it is larger than the sum of its proper divisors (6997456499).

202131101101 is an equidigital number, since it uses as much as digits as its factorization.

202131101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913979.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 202131101101 its reverse (101101131202), we get a palindrome (303232232303).

It can be divided in two parts, 202131101 and 101, that added together give a palindrome (202131202).

The spelling of 202131101101 in words is "two hundred two billion, one hundred thirty-one million, one hundred one thousand, one hundred one".

Divisors: 1 29 7691 223039 906259 26281511 6970037969 202131101101