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31042334405 = 549671249943
BaseRepresentation
bin11100111010010001…
…000110111011000101
32222010101121222101002
4130322101012323011
51002033314200110
622132144543045
72146154326445
oct347221067305
988111558332
1031042334405
111218a652325
126024021a85
132c09305514
141706a56125
15c1a3bdaa5
hex73a446ec5

31042334405 has 8 divisors (see below), whose sum is σ = 37258330752. Its totient is φ = 24828847888.

The previous prime is 31042334383. The next prime is 31042334443. The reversal of 31042334405 is 50443324013.

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 31042334405 - 228 = 30773898949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600137 + ... + 649806.

It is an arithmetic number, because the mean of its divisors is an integer number (4657291344).

Almost surely, 231042334405 is an apocalyptic number.

It is an amenable number.

31042334405 is a deficient number, since it is larger than the sum of its proper divisors (6215996347).

31042334405 is a wasteful number, since it uses less digits than its factorization.

31042334405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254915.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 31042334405 its reverse (50443324013), we get a palindrome (81485658418).

The spelling of 31042334405 in words is "thirty-one billion, forty-two million, three hundred thirty-four thousand, four hundred five".

Divisors: 1 5 4967 24835 1249943 6249715 6208466881 31042334405