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312233200131 = 3791317439663
BaseRepresentation
bin1001000101100101000…
…11001000101000000011
31002211221001211222112110
410202302203020220003
520103423144401011
6355234333030403
731362300261006
oct4426243105003
91084831758473
10312233200131
11110465557656
125061a325403
132359c3a3178
141117db0553d
1581c6645ba6
hex48b28c8a03

312233200131 has 8 divisors (see below), whose sum is σ = 421580692480. Its totient is φ = 205520587272.

The previous prime is 312233200091. The next prime is 312233200183. The reversal of 312233200131 is 131002332213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312233200131 - 27 = 312233200003 is a prime.

It is a super-2 number, since 2×3122332001312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312233200098 and 312233200107.

It is not an unprimeable number, because it can be changed into a prime (312233200031) 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, 658719595 + ... + 658720068.

It is an arithmetic number, because the mean of its divisors is an integer number (52697586560).

Almost surely, 2312233200131 is an apocalyptic number.

312233200131 is a deficient number, since it is larger than the sum of its proper divisors (109347492349).

312233200131 is a wasteful number, since it uses less digits than its factorization.

312233200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317439745.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312233200131 its reverse (131002332213), we get a palindrome (443235532344).

The spelling of 312233200131 in words is "three hundred twelve billion, two hundred thirty-three million, two hundred thousand, one hundred thirty-one".

Divisors: 1 3 79 237 1317439663 3952318989 104077733377 312233200131