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31014215520041 = 1315783918111559
BaseRepresentation
bin1110000110101000011110…
…10011001000111100101001
311001210221010000010102110102
413003110033103020330221
513031114103133120131
6145543422305355145
76350463113151125
oct703241723107451
9131727100112412
1031014215520041
119978067138616
12358a91a038ab5
13143c8218761c0
1479314b76c585
1538bb3e5461cb
hex1c350f4c8f29

31014215520041 has 16 divisors (see below), whose sum is σ = 33652727404800. Its totient is φ = 28412253050688.

The previous prime is 31014215520019. The next prime is 31014215520121. The reversal of 31014215520041 is 14002551241013.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-31014215520041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31014215519986 and 31014215520013.

It is not an unprimeable number, because it can be changed into a prime (31014215520011) 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, 7343381 + ... + 10768178.

It is an arithmetic number, because the mean of its divisors is an integer number (2103295462800).

Almost surely, 231014215520041 is an apocalyptic number.

It is an amenable number.

31014215520041 is a deficient number, since it is larger than the sum of its proper divisors (2638511884759).

31014215520041 is a wasteful number, since it uses less digits than its factorization.

31014215520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18112568.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 31014215520041 its reverse (14002551241013), we get a palindrome (45016766761054).

The spelling of 31014215520041 in words is "thirty-one trillion, fourteen billion, two hundred fifteen million, five hundred twenty thousand, forty-one".

Divisors: 1 13 157 839 2041 10907 131723 1712399 18111559 235450267 2843514763 15195598001 36965691919 197542774013 2385708886157 31014215520041