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313132221013 = 6719324215623
BaseRepresentation
bin1001000111010000010…
…00101000001001010101
31002221020201111222100011
410203220020220021111
520112243322033023
6355503450120221
731423464651103
oct4435010501125
91087221458304
10313132221013
11110886a80317
125082b420071
13236b3715ca1
1411227288c73
15822a52c50d
hex48e8228255

313132221013 has 8 divisors (see below), whose sum is σ = 319452511808. Its totient is φ = 306860361984.

The previous prime is 313132220981. The next prime is 313132221067. The reversal of 313132221013 is 310122231313.

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 313132221013 - 25 = 313132220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313132321013) 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, 12094881 + ... + 12120742.

It is an arithmetic number, because the mean of its divisors is an integer number (39931563976).

Almost surely, 2313132221013 is an apocalyptic number.

It is an amenable number.

313132221013 is a deficient number, since it is larger than the sum of its proper divisors (6320290795).

313132221013 is a wasteful number, since it uses less digits than its factorization.

313132221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215883.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313132221013 its reverse (310122231313), we get a palindrome (623254452326).

The spelling of 313132221013 in words is "three hundred thirteen billion, one hundred thirty-two million, two hundred twenty-one thousand, thirteen".

Divisors: 1 67 193 12931 24215623 1622446741 4673615239 313132221013