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313132101321 = 31397158352289
BaseRepresentation
bin1001000111010000010…
…00001010111011001001
31002221020201021220011010
410203220020022323021
520112243304220241
6355503443354133
731423463642124
oct4435010127311
91087221256133
10313132101321
111108869a93a6
125082b382949
13236b36a3670
14112272573bb
15822a506d16
hex48e820aec9

313132101321 has 32 divisors (see below), whose sum is σ = 454556551680. Its totient is φ = 190585995264.

The previous prime is 313132101311. The next prime is 313132101361. The reversal of 313132101321 is 123101231313.

It is a happy number.

It is not a de Polignac number, because 313132101321 - 27 = 313132101193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313132101311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5962345 + ... + 6014633.

It is an arithmetic number, because the mean of its divisors is an integer number (14204892240).

Almost surely, 2313132101321 is an apocalyptic number.

It is an amenable number.

313132101321 is a deficient number, since it is larger than the sum of its proper divisors (141424450359).

313132101321 is a wasteful number, since it uses less digits than its factorization.

313132101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53985.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313132101321 its reverse (123101231313), we get a palindrome (436233332634).

The spelling of 313132101321 in words is "three hundred thirteen billion, one hundred thirty-two million, one hundred one thousand, three hundred twenty-one".

Divisors: 1 3 13 39 97 291 1261 1583 3783 4749 20579 52289 61737 153551 156867 460653 679757 1996163 2039271 5072033 5988489 15216099 65936429 82773487 197809287 248320461 1076055331 3228165993 8029028239 24087084717 104377367107 313132101321