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10031133421 = 88311360287
BaseRepresentation
bin10010101011110011…
…01111001011101101
3221220002100101011001
421111321233023231
5131020432232141
64335214000301
7503403140641
oct112571571355
927802311131
1010031133421
11428834a011
121b3b4a6091
13c3b29b30a
146b2348c21
153da9aca31
hex255e6f2ed

10031133421 has 4 divisors (see below), whose sum is σ = 10042494592. Its totient is φ = 10019772252.

The previous prime is 10031133401. The next prime is 10031133461. The reversal of 10031133421 is 12433113001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10031133421 - 27 = 10031133293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031133401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5679261 + ... + 5681026.

It is an arithmetic number, because the mean of its divisors is an integer number (2510623648).

Almost surely, 210031133421 is an apocalyptic number.

It is an amenable number.

10031133421 is a deficient number, since it is larger than the sum of its proper divisors (11361171).

10031133421 is an equidigital number, since it uses as much as digits as its factorization.

10031133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361170.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10031133421 its reverse (12433113001), we get a palindrome (22464246422).

The spelling of 10031133421 in words is "ten billion, thirty-one million, one hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 883 11360287 10031133421