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31301140301331 = 327791141346691
BaseRepresentation
bin1110001110111110111010…
…10110010100011000010011
311002211100201021201112001220
413013133131112110120103
513100314213404120311
6150323313443300123
76410301302435355
oct707373526243023
9132740637645056
1031301140301331
119a7881475453a
12361645467a643
1314608b98580b4
147a2daa1650d5
15394333d96206
hex1c77dd594613

31301140301331 has 16 divisors (see below), whose sum is σ = 41931499611648. Its totient is φ = 20769269320800.

The previous prime is 31301140301323. The next prime is 31301140301341. The reversal of 31301140301331 is 13310304110313.

It is not a de Polignac number, because 31301140301331 - 23 = 31301140301323 is a prime.

It is a super-2 number, since 2×313011403013312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301140301341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19916305 + ... + 21430386.

It is an arithmetic number, because the mean of its divisors is an integer number (2620718725728).

Almost surely, 231301140301331 is an apocalyptic number.

31301140301331 is a deficient number, since it is larger than the sum of its proper divisors (10630359310317).

31301140301331 is a wasteful number, since it uses less digits than its factorization.

31301140301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41347882.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31301140301331 its reverse (13310304110313), we get a palindrome (44611444411644).

The spelling of 31301140301331 in words is "thirty-one trillion, three hundred one billion, one hundred forty million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 3 277 831 911 2733 252347 757041 41346691 124040073 11453033407 34359100221 37666835501 113000506503 10433713433777 31301140301331