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31424321413130 = 2517210873467617
BaseRepresentation
bin1110010010100100010111…
…00000111110000000001010
311010021010122222201100120212
413021102023200332000022
513104324002240210010
6150500044534121122
76422221656552242
oct711221340760012
9133233588640525
1031424321413130
11a015a86230a78
1236362b17b01a2
13146c3baac9929
147a8d33b7ab22
15397643268505
hex1c948b83e00a

31424321413130 has 24 divisors (see below), whose sum is σ = 60086782057068. Its totient is φ = 11830332766208.

The previous prime is 31424321413129. The next prime is 31424321413139. The reversal of 31424321413130 is 3131412342413.

It can be written as a sum of positive squares in 6 ways, for example, as 20336014145209 + 11088307267921 = 4509547^2 + 3329911^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31424321413139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5436730919 + ... + 5436736698.

Almost surely, 231424321413130 is an apocalyptic number.

31424321413130 is a deficient number, since it is larger than the sum of its proper divisors (28662460643938).

31424321413130 is a wasteful number, since it uses less digits than its factorization.

31424321413130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873467658 (or 10873467641 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31424321413130 its reverse (3131412342413), we get a palindrome (34555733755543).

The spelling of 31424321413130 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred twenty-one million, four hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 10873467617 21746935234 54367338085 108734676170 184848949489 369697898978 924244747445 1848489494890 3142432141313 6284864282626 15712160706565 31424321413130