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210131021033 = 2943168509239
BaseRepresentation
bin1100001110110011001…
…0001110110011101001
3202002101101120212200122
43003230302032303221
511420322020133113
6240311033013025
721116146131323
oct3035462166351
9662341525618
10210131021033
118113053525a
1234884554175
1316a7a1c1a8b
14a2557cc613
1556ecab3408
hex30ecc8ece9

210131021033 has 8 divisors (see below), whose sum is σ = 222432196800. Its totient is φ = 198166863888.

The previous prime is 210131020991. The next prime is 210131021069. The reversal of 210131021033 is 330120131012.

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 210131021033 - 212 = 210131016937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131026033) 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, 84253373 + ... + 84255866.

It is an arithmetic number, because the mean of its divisors is an integer number (27804024600).

Almost surely, 2210131021033 is an apocalyptic number.

It is an amenable number.

210131021033 is a deficient number, since it is larger than the sum of its proper divisors (12301175767).

210131021033 is a wasteful number, since it uses less digits than its factorization.

210131021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168509311.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 210131021033 its reverse (330120131012), we get a palindrome (540251152045).

The spelling of 210131021033 in words is "two hundred ten billion, one hundred thirty-one million, twenty-one thousand, thirty-three".

Divisors: 1 29 43 1247 168509239 4886767931 7245897277 210131021033