Search a number
-
+
312023321310331 = 3472803320800091
BaseRepresentation
bin100011011110010001001011…
…1001110100111010001111011
31111220210010201202012000011001
41012330202113032213101323
5311344142230223412311
63023341311314545431
7122502640530406021
oct10674422716472173
91456703652160131
10312023321310331
11904693904a2a14
122abb4262b98277
13105148996032c7
14570a01b862711
152611698dac4c1
hex11bc8973a747b

312023321310331 has 8 divisors (see below), whose sum is σ = 313034163372864. Its totient is φ = 311013120854280.

The previous prime is 312023321310317. The next prime is 312023321310341. The reversal of 312023321310331 is 133013123320213.

It is a happy number.

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 312023321310331 - 25 = 312023321310299 is a prime.

It is a super-2 number, since 2×3120233213103312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312023321310331.

It is not an unprimeable number, because it can be changed into a prime (312023321310341) 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, 159427405 + ... + 161372686.

It is an arithmetic number, because the mean of its divisors is an integer number (39129270421608).

Almost surely, 2312023321310331 is an apocalyptic number.

312023321310331 is a deficient number, since it is larger than the sum of its proper divisors (1010842062533).

312023321310331 is a wasteful number, since it uses less digits than its factorization.

312023321310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320803241.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 312023321310331 its reverse (133013123320213), we get a palindrome (445036444630544).

The spelling of 312023321310331 in words is "three hundred twelve trillion, twenty-three billion, three hundred twenty-one million, three hundred ten thousand, three hundred thirty-one".

Divisors: 1 347 2803 972641 320800091 111317631577 899202655073 312023321310331