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20003113122031 = 137321078096019
BaseRepresentation
bin1001000110001010101100…
…11100111011100011101111
32121211021112100100111020201
410203011112130323203233
510110212333424401111
6110313145303054331
74133114535101254
oct443052634734357
977737470314221
1020003113122031
1164122aa971766
1222b08a21413a7
13b21393254690
144d22278ad42b
1524a4d83226c1
hex12315673b8ef

20003113122031 has 8 divisors (see below), whose sum is σ = 21836907476720. Its totient is φ = 18211474959552.

The previous prime is 20003113121977. The next prime is 20003113122053. The reversal of 20003113122031 is 13022131130002.

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 20003113122031 - 215 = 20003113089263 is a prime.

It is a super-2 number, since 2×200031131220312 (a number of 27 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 (20003113122731) 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, 10539047061 + ... + 10539048958.

It is an arithmetic number, because the mean of its divisors is an integer number (2729613434590).

Almost surely, 220003113122031 is an apocalyptic number.

20003113122031 is a deficient number, since it is larger than the sum of its proper divisors (1833794354689).

20003113122031 is a wasteful number, since it uses less digits than its factorization.

20003113122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078096105.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20003113122031 its reverse (13022131130002), we get a palindrome (33025244252033).

The spelling of 20003113122031 in words is "twenty trillion, three billion, one hundred thirteen million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 13 73 949 21078096019 274015248247 1538701009387 20003113122031