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10313242231 = 62211657811
BaseRepresentation
bin10011001101011011…
…11001011001110111
3222121202011222200111
421212231321121313
5132110142222411
64423212323451
7513400053415
oct114655713167
928552158614
1010313242231
114412613596
121bb9a73587
13c848737c6
146db9c22b5
15405635721
hex266b79677

10313242231 has 4 divisors (see below), whose sum is σ = 10314906264. Its totient is φ = 10311578200.

The previous prime is 10313242211. The next prime is 10313242283. The reversal of 10313242231 is 13224231301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10313242231 - 227 = 10179024503 is a prime.

It is a super-2 number, since 2×103132422312 (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 (10313242201) 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, 822685 + ... + 835126.

It is an arithmetic number, because the mean of its divisors is an integer number (2578726566).

Almost surely, 210313242231 is an apocalyptic number.

10313242231 is a deficient number, since it is larger than the sum of its proper divisors (1664033).

10313242231 is an equidigital number, since it uses as much as digits as its factorization.

10313242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664032.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10313242231 its reverse (13224231301), we get a palindrome (23537473532).

The spelling of 10313242231 in words is "ten billion, three hundred thirteen million, two hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 6221 1657811 10313242231