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315111051431101 = 3111013218814891
BaseRepresentation
bin100011110100101111000001…
…0010010010000110010111101
31112022201022200222011011210101
41013221132002102100302331
5312300234413131243401
63034104004003241101
7123242010415366012
oct10751360222206275
91468638628134711
10315111051431101
1191449934671932
122b412771679191
13106a9ac98c8273
1457b5655dc9709
152666b6555b101
hex11e9782490cbd

315111051431101 has 4 divisors (see below), whose sum is σ = 316124270246304. Its totient is φ = 314097832615900.

The previous prime is 315111051431021. The next prime is 315111051431129. The reversal of 315111051431101 is 101134150111513.

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 a cyclic number.

It is not a de Polignac number, because 315111051431101 - 229 = 315110514560189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315111051431101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315111051431131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506609407135 + ... + 506609407756.

It is an arithmetic number, because the mean of its divisors is an integer number (79031067561576).

Almost surely, 2315111051431101 is an apocalyptic number.

It is an amenable number.

315111051431101 is a deficient number, since it is larger than the sum of its proper divisors (1013218815203).

315111051431101 is a wasteful number, since it uses less digits than its factorization.

315111051431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013218815202.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 315111051431101 in words is "three hundred fifteen trillion, one hundred eleven billion, fifty-one million, four hundred thirty-one thousand, one hundred one".

Divisors: 1 311 1013218814891 315111051431101