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10313123101 = 80923095521
BaseRepresentation
bin10011001101011010…
…11100010100011101
3222121201221221021021
421212231130110131
5132110124414401
64423210004141
7513366046201
oct114655342435
928551857237
1010313123101
114412542036
121bb9a16651
13c84831508
146db990b01
154056102a1
hex266b5c51d

10313123101 has 8 divisors (see below), whose sum is σ = 10332214200. Its totient is φ = 10294049280.

The previous prime is 10313123099. The next prime is 10313123131. The reversal of 10313123101 is 10132131301.

It can be written as a sum of positive squares in 4 ways, for example, as 4064062500 + 6249060601 = 63750^2 + 79051^2 .

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 10313123101 - 21 = 10313123099 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 (10313123131) 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, 1865221 + ... + 1870741.

It is an arithmetic number, because the mean of its divisors is an integer number (1291526775).

Almost surely, 210313123101 is an apocalyptic number.

It is an amenable number.

10313123101 is a deficient number, since it is larger than the sum of its proper divisors (19091099).

10313123101 is an equidigital number, since it uses as much as digits as its factorization.

10313123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10313123101 its reverse (10132131301), we get a palindrome (20445254402).

The spelling of 10313123101 in words is "ten billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred one".

Divisors: 1 809 2309 5521 1867981 4466489 12747989 10313123101