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313212130401 = 3104404043467
BaseRepresentation
bin1001000111011001110…
…01011101010001100001
31002221110021212210102010
410203230321131101201
520112424301133101
6355515422543133
731425455116062
oct4435471352141
91087407783363
10313212130401
1111091809a435
1250852137aa9
13236c7144051
1411233b2a569
1582325642d6
hex48ece5d461

313212130401 has 4 divisors (see below), whose sum is σ = 417616173872. Its totient is φ = 208808086932.

The previous prime is 313212130397. The next prime is 313212130403. The reversal of 313212130401 is 104031212313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 313212130401 - 22 = 313212130397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313212130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52202021731 + ... + 52202021736.

It is an arithmetic number, because the mean of its divisors is an integer number (104404043468).

Almost surely, 2313212130401 is an apocalyptic number.

It is an amenable number.

313212130401 is a deficient number, since it is larger than the sum of its proper divisors (104404043471).

313212130401 is a wasteful number, since it uses less digits than its factorization.

313212130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104404043470.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313212130401 its reverse (104031212313), we get a palindrome (417243342714).

The spelling of 313212130401 in words is "three hundred thirteen billion, two hundred twelve million, one hundred thirty thousand, four hundred one".

Divisors: 1 3 104404043467 313212130401