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2131333013 = 8347953609
BaseRepresentation
bin111111100001001…
…1000111110010101
312111112110221020202
41333002120332111
513331110124023
6551253510245
7103550013605
oct17702307625
95445427222
102131333013
119a409a047
124b5942385
1327c73b7c4
141630c4c05
15c71a6128
hex7f098f95

2131333013 has 8 divisors (see below), whose sum is σ = 2161555200. Its totient is φ = 2101219168.

The previous prime is 2131333003. The next prime is 2131333031. The reversal of 2131333013 is 3103331312.

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 2131333013 - 26 = 2131332949 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 (2131333003) 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, 12953 + ... + 66561.

It is an arithmetic number, because the mean of its divisors is an integer number (270194400).

Almost surely, 22131333013 is an apocalyptic number.

It is an amenable number.

2131333013 is a deficient number, since it is larger than the sum of its proper divisors (30222187).

2131333013 is an equidigital number, since it uses as much as digits as its factorization.

2131333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54171.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 2131333013 is about 46166.3623539910. The cubic root of 2131333013 is about 1286.9167019770.

Adding to 2131333013 its reverse (3103331312), we get a palindrome (5234664325).

The spelling of 2131333013 in words is "two billion, one hundred thirty-one million, three hundred thirty-three thousand, thirteen".

Divisors: 1 83 479 39757 53609 4449547 25678711 2131333013