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10231321313 = 31467970537
BaseRepresentation
bin10011000011101010…
…11001001011100001
3222102001000222022102
421201311121023201
5131423204240223
64411124420145
7511353540053
oct114165311341
928361028272
1010231321313
114380350154
121b96547655
13c708bcca5
146d0b798d3
153ed352928
hex261d592e1

10231321313 has 8 divisors (see below), whose sum is σ = 10563770880. Its totient is φ = 9899022240.

The previous prime is 10231321301. The next prime is 10231321339. The reversal of 10231321313 is 31312313201.

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 10231321313 - 210 = 10231320289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231321613) 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, 109781 + ... + 180317.

It is an arithmetic number, because the mean of its divisors is an integer number (1320471360).

Almost surely, 210231321313 is an apocalyptic number.

It is an amenable number.

10231321313 is a deficient number, since it is larger than the sum of its proper divisors (332449567).

10231321313 is an equidigital number, since it uses as much as digits as its factorization.

10231321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75247.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10231321313 its reverse (31312313201), we get a palindrome (41543634514).

The spelling of 10231321313 in words is "ten billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 31 4679 70537 145049 2186647 330042623 10231321313