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10312130231 = 132309343543
BaseRepresentation
bin10011001101010011…
…01001111010110111
3222121200002111022022
421212221221322313
5132104401131411
64423132423355
7513354442424
oct114651517267
928550074268
1010312130231
114411a24087
121bb9617b5b
13c84574610
146db7b2d4b
154054b5edb
hex266a69eb7

10312130231 has 8 divisors (see below), whose sum is σ = 11110212960. Its totient is φ = 9514739232.

The previous prime is 10312130221. The next prime is 10312130233. The reversal of 10312130231 is 13203121301.

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 10312130231 - 218 = 10311868087 is a prime.

It is a super-2 number, since 2×103121302312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312130233) 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, 141755 + ... + 201788.

It is an arithmetic number, because the mean of its divisors is an integer number (1388776620).

Almost surely, 210312130231 is an apocalyptic number.

10312130231 is a deficient number, since it is larger than the sum of its proper divisors (798082729).

10312130231 is a wasteful number, since it uses less digits than its factorization.

10312130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345865.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10312130231 its reverse (13203121301), we get a palindrome (23515251532).

The spelling of 10312130231 in words is "ten billion, three hundred twelve million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 13 2309 30017 343543 4466059 793240787 10312130231