Search a number
-
+
2013131311331 = 7417014394813
BaseRepresentation
bin11101010010110111111…
…110100000100011100011
321010110020120201120201012
4131102313332200203203
5230440343103430311
64140453022331135
7265305161544410
oct35226776404343
97113216646635
102013131311331
117068451633a8
122861a9729aab
13117ab6bc068a
146d61683b107
1537575c1b78b
hex1d4b7fa08e3

2013131311331 has 8 divisors (see below), whose sum is σ = 2356836657504. Its totient is φ = 1683454754880.

The previous prime is 2013131311271. The next prime is 2013131311339. The reversal of 2013131311331 is 1331131313102.

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 2013131311331 - 26 = 2013131311267 is a prime.

It is a super-2 number, since 2×20131313113312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013131311297 and 2013131311306.

It is not an unprimeable number, because it can be changed into a prime (2013131311339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507197120 + ... + 3507197693.

It is an arithmetic number, because the mean of its divisors is an integer number (294604582188).

Almost surely, 22013131311331 is an apocalyptic number.

2013131311331 is a deficient number, since it is larger than the sum of its proper divisors (343705346173).

2013131311331 is an equidigital number, since it uses as much as digits as its factorization.

2013131311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014394861.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 2013131311331 its reverse (1331131313102), we get a palindrome (3344262624433).

The spelling of 2013131311331 in words is "two trillion, thirteen billion, one hundred thirty-one million, three hundred eleven thousand, three hundred thirty-one".

Divisors: 1 7 41 287 7014394813 49100763691 287590187333 2013131311331