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31143123005301 = 3216321229122703
BaseRepresentation
bin1110001010011000100101…
…10010001010111101110101
311002021020211210022011121100
413011030102302022331311
513040222103442132201
6150122541520240313
76363005422536246
oct705142262127565
9132236753264540
1031143123005301
119a177a70451aa
1235ab8b4a70099
13144ba262bb0b8
14799499ac6ccd
15390186501886
hex1c5312c8af75

31143123005301 has 12 divisors (see below), whose sum is σ = 45260489604928. Its totient is φ = 20634707266344.

The previous prime is 31143123005273. The next prime is 31143123005347. The reversal of 31143123005301 is 10350032134113.

31143123005301 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 3 + 123 + 0 + 0 + 530 + 1 = 666.

It is not a de Polignac number, because 31143123005301 - 29 = 31143123004789 is a prime.

It is a super-2 number, since 2×311431230053012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143123005801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10614559885 + ... + 10614562818.

Almost surely, 231143123005301 is an apocalyptic number.

It is an amenable number.

31143123005301 is a deficient number, since it is larger than the sum of its proper divisors (14117366599627).

31143123005301 is a wasteful number, since it uses less digits than its factorization.

31143123005301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229122872 (or 21229122869 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 31143123005301 its reverse (10350032134113), we get a palindrome (41493155139414).

The spelling of 31143123005301 in words is "thirty-one trillion, one hundred forty-three billion, one hundred twenty-three million, five thousand, three hundred one".

Divisors: 1 3 9 163 489 1467 21229122703 63687368109 191062104327 3460347000589 10381041001767 31143123005301