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312356130361 = 1161465508391
BaseRepresentation
bin1001000101110011110…
…00000100111000111001
31002212020122011111002221
410202321320010320321
520104201132132421
6355254443524041
731365322205122
oct4427170047071
91085218144087
10312356130361
1111051898a990
1250653529621
13235bb9b4a52
1411192185049
1581d2329841
hex48b9e04e39

312356130361 has 8 divisors (see below), whose sum is σ = 346338243648. Its totient is φ = 279305034000.

The previous prime is 312356130347. The next prime is 312356130371. The reversal of 312356130361 is 163031653213.

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 312356130361 - 235 = 277996391993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312356130371) 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, 232753525 + ... + 232754866.

It is an arithmetic number, because the mean of its divisors is an integer number (43292280456).

Almost surely, 2312356130361 is an apocalyptic number.

It is an amenable number.

312356130361 is a deficient number, since it is larger than the sum of its proper divisors (33982113287).

312356130361 is a wasteful number, since it uses less digits than its factorization.

312356130361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465508463.

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 312356130361 its reverse (163031653213), we get a palindrome (475387783574).

The spelling of 312356130361 in words is "three hundred twelve billion, three hundred fifty-six million, one hundred thirty thousand, three hundred sixty-one".

Divisors: 1 11 61 671 465508391 5120592301 28396011851 312356130361