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31004110424121 = 359821213355013
BaseRepresentation
bin1110000110010101101001…
…11111010000100000111001
311001202222000202121100211120
413003022310333100200321
513030432404232032441
6145535031450215453
76346654521231102
oct703126477204071
9131688022540746
1031004110424121
11997385107147a
123588979a24589
13143b8a117c8c3
1479286d68d3a9
1538b74c328966
hex1c32b4fd0839

31004110424121 has 16 divisors (see below), whose sum is σ = 42090677161920. Its totient is φ = 20294328741440.

The previous prime is 31004110424107. The next prime is 31004110424201. The reversal of 31004110424121 is 12142401140013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31004110424121 - 26 = 31004110424057 is a prime.

It is a super-2 number, since 2×310041104241212 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31004110424091 and 31004110424100.

It is not an unprimeable number, because it can be changed into a prime (31004110424621) 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, 106532190 + ... + 106822823.

It is an arithmetic number, because the mean of its divisors is an integer number (2630667322620).

Almost surely, 231004110424121 is an apocalyptic number.

It is an amenable number.

31004110424121 is a deficient number, since it is larger than the sum of its proper divisors (11086566737799).

31004110424121 is a wasteful number, since it uses less digits than its factorization.

31004110424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213355896.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 31004110424121 its reverse (12142401140013), we get a palindrome (43146511564134).

The spelling of 31004110424121 in words is "thirty-one trillion, four billion, one hundred ten million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 3 59 177 821 2463 48439 145317 213355013 640065039 12587945767 37763837301 175164465673 525493397019 10334703474707 31004110424121