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31010421341 = 197931765173
BaseRepresentation
bin11100111000010111…
…010111101001011101
32222001011120121212202
4130320113113221131
51002002131440331
622125044541245
72145316142444
oct347027275135
988034517782
1031010421341
1112173635599
1260153b1825
132c02810853
141702709d5b
15c176b7ecb
hex7385d7a5d

31010421341 has 16 divisors (see below), whose sum is σ = 33160531200. Its totient is φ = 28914470208.

The previous prime is 31010421271. The next prime is 31010421349. The reversal of 31010421341 is 14312401013.

It is not a de Polignac number, because 31010421341 - 222 = 31006227037 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 (31010421349) 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, 443231 + ... + 508403.

It is an arithmetic number, because the mean of its divisors is an integer number (2072533200).

Almost surely, 231010421341 is an apocalyptic number.

It is an amenable number.

31010421341 is a deficient number, since it is larger than the sum of its proper divisors (2150109859).

31010421341 is a wasteful number, since it uses less digits than its factorization.

31010421341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65588.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31010421341 its reverse (14312401013), we get a palindrome (45322822354).

The spelling of 31010421341 in words is "thirty-one billion, ten million, four hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 19 79 317 1501 6023 25043 65173 475817 1238287 5148667 20659841 97824673 392536979 1632127439 31010421341