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313012202123 = 1812269176213
BaseRepresentation
bin1001000111000001111…
…10110010101010001011
31002220221100200101101002
410203200332302222023
520112022110431443
6355443521445215
731420506550565
oct4434076625213
91086840611332
10313012202123
11110825256355
12507b71a080b
13236948b35aa
1411215366335
15821ec212b8
hex48e0fb2a8b

313012202123 has 8 divisors (see below), whose sum is σ = 314759552016. Its totient is φ = 311265050400.

The previous prime is 313012202059. The next prime is 313012202147. The reversal of 313012202123 is 321202210313.

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 313012202123 - 26 = 313012202059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313012202095 and 313012202104.

It is not an unprimeable number, because it can be changed into a prime (313012202023) 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 7 ways as a sum of consecutive naturals, for example, 4068965 + ... + 4145177.

It is an arithmetic number, because the mean of its divisors is an integer number (39344944002).

Almost surely, 2313012202123 is an apocalyptic number.

313012202123 is a deficient number, since it is larger than the sum of its proper divisors (1747349893).

313012202123 is a wasteful number, since it uses less digits than its factorization.

313012202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99085.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313012202123 its reverse (321202210313), we get a palindrome (634214412436).

The spelling of 313012202123 in words is "three hundred thirteen billion, twelve million, two hundred two thousand, one hundred twenty-three".

Divisors: 1 181 22691 76213 4107071 13794553 1729349183 313012202123