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10003102031 = 137110837597
BaseRepresentation
bin10010101000011101…
…10011100101001111
3221211010121020022102
421110032303211033
5130441243231111
64332333105315
7502612651526
oct112416634517
927733536272
1010003102031
11427354367a
121b3202823b
13c355353b0
146ac72d4bd
153d82c213b
hex2543b394f

10003102031 has 8 divisors (see below), whose sum is σ = 10924298784. Its totient is φ = 9103580640.

The previous prime is 10003102003. The next prime is 10003102049. The reversal of 10003102031 is 13020130001.

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

It is a cyclic number.

It is not a de Polignac number, because 10003102031 - 210 = 10003101007 is a prime.

It is a super-2 number, since 2×100031020312 (a number of 21 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 (10003102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417876 + ... + 5419721.

It is an arithmetic number, because the mean of its divisors is an integer number (1365537348).

Almost surely, 210003102031 is an apocalyptic number.

10003102031 is a deficient number, since it is larger than the sum of its proper divisors (921196753).

10003102031 is a wasteful number, since it uses less digits than its factorization.

10003102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837681.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10003102031 its reverse (13020130001), we get a palindrome (23023232032).

The spelling of 10003102031 in words is "ten billion, three million, one hundred two thousand, thirty-one".

Divisors: 1 13 71 923 10837597 140888761 769469387 10003102031