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31030112111233 = 417317957919339
BaseRepresentation
bin1110000111000110000101…
…10011110100101010000001
311001212110010212100221001011
413003203002303310222001
513031344132200024413
6145555011532440521
76351565051021054
oct703430263645201
9131773125327034
1031030112111233
119983884373894
123591a15919141
131441186094191
14793c18aa2a9b
1538c26ee1233d
hex1c38c2cf4a81

31030112111233 has 16 divisors (see below), whose sum is σ = 32402395569600. Its totient is φ = 29691769432320.

The previous prime is 31030112111179. The next prime is 31030112111267. The reversal of 31030112111233 is 33211121103013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31030112111233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030112111333) 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, 28423923 + ... + 29495416.

It is an arithmetic number, because the mean of its divisors is an integer number (2025149723100).

Almost surely, 231030112111233 is an apocalyptic number.

It is an amenable number.

31030112111233 is a deficient number, since it is larger than the sum of its proper divisors (1372283458367).

31030112111233 is a wasteful number, since it uses less digits than its factorization.

31030112111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57919632.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31030112111233 its reverse (33211121103013), we get a palindrome (64241233214246).

The spelling of 31030112111233 in words is "thirty-one trillion, thirty billion, one hundred twelve million, one hundred eleven thousand, two hundred thirty-three".

Divisors: 1 41 73 179 2993 7339 13067 535747 57919339 2374692899 4228111747 10367561681 173352581627 425070028921 756832002713 31030112111233