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31101421411 = 116257267523
BaseRepresentation
bin11100111101110010…
…100000011101100011
32222021111210220111201
4130331302200131203
51002143430441121
622142055222031
72150502501664
oct347562403543
988244726451
1031101421411
111220aa3a265
12603b977917
132c18622a48
14171083736b
15c20690e91
hex73dca0763

31101421411 has 4 divisors (see below), whose sum is σ = 31101805192. Its totient is φ = 31101037632.

The previous prime is 31101421391. The next prime is 31101421427. The reversal of 31101421411 is 11412410113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31101421411 - 219 = 31100897123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31101421451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17505 + ... + 250018.

It is an arithmetic number, because the mean of its divisors is an integer number (7775451298).

Almost surely, 231101421411 is an apocalyptic number.

31101421411 is a deficient number, since it is larger than the sum of its proper divisors (383781).

31101421411 is a wasteful number, since it uses less digits than its factorization.

31101421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383780.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 31101421411 its reverse (11412410113), we get a palindrome (42513831524).

The spelling of 31101421411 in words is "thirty-one billion, one hundred one million, four hundred twenty-one thousand, four hundred eleven".

Divisors: 1 116257 267523 31101421411