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2013201331231 = 31760110567043
BaseRepresentation
bin11101010010111100001…
…001100111010000011111
321010110102110110221221211
4131102330021213100133
5230441014020044411
64140504003205251
7265310001653146
oct35227411472037
97113373427854
102013201331231
11706880738392
12286209076827
13117ac856827c
146d621c6675d
153757be4d221
hex1d4bc26741f

2013201331231 has 8 divisors (see below), whose sum is σ = 2022912635184. Its totient is φ = 2003511163200.

The previous prime is 2013201331177. The next prime is 2013201331243. The reversal of 2013201331231 is 1321331023102.

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 2013201331231 - 217 = 2013201200159 is a prime.

It is a super-2 number, since 2×20132013312312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013201331331) 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, 5093005 + ... + 5474038.

It is an arithmetic number, because the mean of its divisors is an integer number (252864079398).

Almost surely, 22013201331231 is an apocalyptic number.

2013201331231 is a deficient number, since it is larger than the sum of its proper divisors (9711303953).

2013201331231 is a wasteful number, since it uses less digits than its factorization.

2013201331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10567961.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2013201331231 its reverse (1321331023102), we get a palindrome (3334532354333).

It can be divided in two parts, 2013201 and 331231, that added together give a palindrome (2344432).

The spelling of 2013201331231 in words is "two trillion, thirteen billion, two hundred one million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 317 601 190517 10567043 3349752631 6350792843 2013201331231