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10312130201 = 23448353487
BaseRepresentation
bin10011001101010011…
…01001111010011001
3222121200002111021012
421212221221322121
5132104401131301
64423132423305
7513354442352
oct114651517231
928550074235
1010312130201
114411a2405a
121bb9617b35
13c845745b9
146db7b2d29
154054b5ebb
hex266a69e99

10312130201 has 4 divisors (see below), whose sum is σ = 10760483712. Its totient is φ = 9863776692.

The previous prime is 10312130149. The next prime is 10312130209. The reversal of 10312130201 is 10203121301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10312130201 - 26 = 10312130137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10312130209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224176721 + ... + 224176766.

It is an arithmetic number, because the mean of its divisors is an integer number (2690120928).

Almost surely, 210312130201 is an apocalyptic number.

It is an amenable number.

10312130201 is a deficient number, since it is larger than the sum of its proper divisors (448353511).

10312130201 is an equidigital number, since it uses as much as digits as its factorization.

10312130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448353510.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10312130201 its reverse (10203121301), we get a palindrome (20515251502).

The spelling of 10312130201 in words is "ten billion, three hundred twelve million, one hundred thirty thousand, two hundred one".

Divisors: 1 23 448353487 10312130201