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10315111321 = 411069235349
BaseRepresentation
bin10011001101101010…
…00001101110011001
3222121212200221121001
421212311001232121
5132111132030241
64423320345001
7513421666564
oct114665015631
928555627531
1010315111321
11441367a899
121bba615161
13c85079488
146dbd4b4db
154058a4431
hex266d41b99

10315111321 has 8 divisors (see below), whose sum is σ = 10576629000. Its totient is φ = 10054066560.

The previous prime is 10315111319. The next prime is 10315111361. The reversal of 10315111321 is 12311151301.

10315111321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1373517721 + 8941593600 = 37061^2 + 94560^2 .

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 10315111321 - 21 = 10315111319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10315111361) 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, 73846 + ... + 161503.

It is an arithmetic number, because the mean of its divisors is an integer number (1322078625).

Almost surely, 210315111321 is an apocalyptic number.

It is an amenable number.

10315111321 is a deficient number, since it is larger than the sum of its proper divisors (261517679).

10315111321 is a wasteful number, since it uses less digits than its factorization.

10315111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236459.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 10315111321 its reverse (12311151301), we get a palindrome (22626262622).

The spelling of 10315111321 in words is "ten billion, three hundred fifteen million, one hundred eleven thousand, three hundred twenty-one".

Divisors: 1 41 1069 43829 235349 9649309 251588081 10315111321