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313309970713 = 1571995604909
BaseRepresentation
bin1001000111100101011…
…10101100000100011001
31002221201002222121002101
410203302232230010121
520113124323030323
6355533240003401
731431053544565
oct4436256540431
91087632877071
10313309970713
111109683462a3
125087aa60561
13237114ac81c
1411242b186a5
15823ae3ddad
hex48f2bac119

313309970713 has 4 divisors (see below), whose sum is σ = 315305575780. Its totient is φ = 311314365648.

The previous prime is 313309970593. The next prime is 313309970747. The reversal of 313309970713 is 317079903313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317079903313 = 1372314451849.

It can be written as a sum of positive squares in 2 ways, for example, as 54958362624 + 258351608089 = 234432^2 + 508283^2 .

It is a cyclic number.

It is not a de Polignac number, because 313309970713 - 29 = 313309970201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313300970713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997802298 + ... + 997802611.

It is an arithmetic number, because the mean of its divisors is an integer number (78826393945).

Almost surely, 2313309970713 is an apocalyptic number.

It is an amenable number.

313309970713 is a deficient number, since it is larger than the sum of its proper divisors (1995605067).

313309970713 is a wasteful number, since it uses less digits than its factorization.

313309970713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995605066.

The product of its (nonzero) digits is 321489, while the sum is 46.

The spelling of 313309970713 in words is "three hundred thirteen billion, three hundred nine million, nine hundred seventy thousand, seven hundred thirteen".

Divisors: 1 157 1995604909 313309970713