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10002331131 = 313256470029
BaseRepresentation
bin10010101000010111…
…10111010111111011
3221211002011001211120
421110023313113323
5130441044044011
64332304400323
7502603261152
oct112413672773
927732131746
1010002331131
114273067471
121b319160a3
13c35325540
146ac5ac599
153d81bda06
hex2542f75fb

10002331131 has 8 divisors (see below), whose sum is σ = 14362321680. Its totient is φ = 6155280672.

The previous prime is 10002331121. The next prime is 10002331153. The reversal of 10002331131 is 13113320001.

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

It is not a de Polignac number, because 10002331131 - 25 = 10002331099 is a prime.

It is a super-2 number, since 2×100023311312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10002331131.

It is not an unprimeable number, because it can be changed into a prime (10002331121) 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, 128234976 + ... + 128235053.

It is an arithmetic number, because the mean of its divisors is an integer number (1795290210).

Almost surely, 210002331131 is an apocalyptic number.

10002331131 is a deficient number, since it is larger than the sum of its proper divisors (4359990549).

10002331131 is a wasteful number, since it uses less digits than its factorization.

10002331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256470045.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10002331131 its reverse (13113320001), we get a palindrome (23115651132).

The spelling of 10002331131 in words is "ten billion, two million, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 13 39 256470029 769410087 3334110377 10002331131