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31100020103201 = 710067994412857
BaseRepresentation
bin1110001001001000010011…
…01001101001100000100001
311002010010120212120212121212
413010210021221221200201
513034020320121300301
6150051052455355505
76356621330112530
oct704441151514041
9132103525525555
1031100020103201
119a00498632965
1235a3485982b95
1314479474358ba
1479736b3a8317
1538deb23eb4bb
hex1c4909a69821

31100020103201 has 8 divisors (see below), whose sum is σ = 35542923475200. Its totient is φ = 26657127570528.

The previous prime is 31100020103183. The next prime is 31100020103237. The reversal of 31100020103201 is 10230102000113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-31100020103201 is a prime.

It is a super-3 number, since 3×311000201032013 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31100020103281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841165 + ... + 9254021.

It is an arithmetic number, because the mean of its divisors is an integer number (4442865434400).

Almost surely, 231100020103201 is an apocalyptic number.

It is an amenable number.

31100020103201 is a deficient number, since it is larger than the sum of its proper divisors (4442903371999).

31100020103201 is a wasteful number, since it uses less digits than its factorization.

31100020103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419663.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31100020103201 its reverse (10230102000113), we get a palindrome (41330122103314).

The spelling of 31100020103201 in words is "thirty-one trillion, one hundred billion, twenty million, one hundred three thousand, two hundred one".

Divisors: 1 7 1006799 4412857 7047593 30889999 4442860014743 31100020103201