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31430033110197 = 3227953124932061
BaseRepresentation
bin1110010010101110111111…
…11101010111010010110101
311010021200102001021121222200
413021113133331113102311
513104422201434011242
6150502431411415113
76422513343306261
oct711273775272265
9133250361247880
1031430033110197
11a018447347577
1236374265b4499
13146cabb231a37
147a931657d0a1
1539787990304c
hex1c95dff574b5

31430033110197 has 12 divisors (see below), whose sum is σ = 45400561194924. Its totient is φ = 20952605646720.

The previous prime is 31430033110181. The next prime is 31430033110199. The reversal of 31430033110197 is 79101133003413.

31430033110197 is a `hidden beast` number, since 3 + 1 + 4 + 300 + 331 + 1 + 0 + 19 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23539827389796 + 7890205720401 = 4851786^2 + 2808951^2 .

It is not a de Polignac number, because 31430033110197 - 24 = 31430033110181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430033110199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62214454 + ... + 62717607.

It is an arithmetic number, because the mean of its divisors is an integer number (3783380099577).

Almost surely, 231430033110197 is an apocalyptic number.

It is an amenable number.

31430033110197 is a deficient number, since it is larger than the sum of its proper divisors (13970528084727).

31430033110197 is a wasteful number, since it uses less digits than its factorization.

31430033110197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124960020 (or 124960017 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 31430033110197 in words is "thirty-one trillion, four hundred thirty billion, thirty-three million, one hundred ten thousand, one hundred ninety-seven".

Divisors: 1 3 9 27953 83859 251577 124932061 374796183 1124388549 3492225901133 10476677703399 31430033110197