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2031310131013 = 19269397438883
BaseRepresentation
bin11101100011110011100…
…001001100111101000101
321012012011111101022020001
4131203303201030331011
5231240110343143023
64153100533441301
7266520521140612
oct35436341147505
97165144338201
102031310131013
11713523681719
122898217a0231
131197231a0807
147045ccd5509
1537c8bb486ad
hex1d8f384cf45

2031310131013 has 8 divisors (see below), whose sum is σ = 2146169973600. Its totient is φ = 1917245166768.

The previous prime is 2031310130977. The next prime is 2031310131023. The reversal of 2031310131013 is 3101310131302.

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 2031310131013 - 29 = 2031310130501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031310131023) 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, 198714331 + ... + 198724552.

It is an arithmetic number, because the mean of its divisors is an integer number (268271246700).

Almost surely, 22031310131013 is an apocalyptic number.

It is an amenable number.

2031310131013 is a deficient number, since it is larger than the sum of its proper divisors (114859842587).

2031310131013 is a wasteful number, since it uses less digits than its factorization.

2031310131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397439171.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 2031310131013 its reverse (3101310131302), we get a palindrome (5132620262315).

The spelling of 2031310131013 in words is "two trillion, thirty-one billion, three hundred ten million, one hundred thirty-one thousand, thirteen".

Divisors: 1 19 269 5111 397438883 7551338777 106911059527 2031310131013