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1310321213332 = 22409800929837
BaseRepresentation
bin10011000100010101001…
…110101111111110010100
311122021011112112102012121
4103010111032233332110
5132432014212311312
62441541523025324
7163444660354345
oct23042516577624
94567145472177
101310321213332
1146578218a56a
12191b47b0b244
13967414cc171
14475c42440cc
15241400d2707
hex131153aff94

1310321213332 has 12 divisors (see below), whose sum is σ = 2298668635060. Its totient is φ = 653558746176.

The previous prime is 1310321213309. The next prime is 1310321213359. The reversal of 1310321213332 is 2333121230131.

It can be written as a sum of positive squares in 2 ways, for example, as 1061633486736 + 248687726596 = 1030356^2 + 498686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1310321213297 and 1310321213306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400463283 + ... + 400466554.

Almost surely, 21310321213332 is an apocalyptic number.

It is an amenable number.

1310321213332 is a deficient number, since it is larger than the sum of its proper divisors (988347421728).

1310321213332 is a wasteful number, since it uses less digits than its factorization.

1310321213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800930250 (or 800930248 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1310321213332 its reverse (2333121230131), we get a palindrome (3643442443463).

The spelling of 1310321213332 in words is "one trillion, three hundred ten billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-two".

Divisors: 1 2 4 409 818 1636 800929837 1601859674 3203719348 327580303333 655160606666 1310321213332