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213013102112031 = 3135461874413129
BaseRepresentation
bin110000011011101111111010…
…010010001010110100011111
31000221012212001100001211200110
4300123233322102022310133
5210410001313120041111
62033012511305501103
762603455150233444
oct6033577222126437
91027185040054613
10213013102112031
11619663929a1801
121ba83448aa1793
1391b208451bbc0
143a85c63b959cb
151995e5dae85a6
hexc1bbfa48ad1f

213013102112031 has 8 divisors (see below), whose sum is σ = 305864967135280. Its totient is φ = 131084985915072.

The previous prime is 213013102111973. The next prime is 213013102112087. The reversal of 213013102112031 is 130211201310312.

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

It is not a de Polignac number, because 213013102112031 - 27 = 213013102111903 is a prime.

It is a super-2 number, since 2×2130131021120312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213013102111989 and 213013102112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013102162031) 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, 2730937206526 + ... + 2730937206603.

It is an arithmetic number, because the mean of its divisors is an integer number (38233120891910).

Almost surely, 2213013102112031 is an apocalyptic number.

213013102112031 is a deficient number, since it is larger than the sum of its proper divisors (92851865023249).

213013102112031 is a wasteful number, since it uses less digits than its factorization.

213013102112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461874413145.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 213013102112031 its reverse (130211201310312), we get a palindrome (343224303422343).

The spelling of 213013102112031 in words is "two hundred thirteen trillion, thirteen billion, one hundred two million, one hundred twelve thousand, thirty-one".

Divisors: 1 3 13 39 5461874413129 16385623239387 71004367370677 213013102112031